{"title":"FuelTech Complete Harnesses","description":"\u003cstyle\u003e\n.ase-post{line-height:1.7;color:#1c1c1c;}\n.ase-post h2{margin-top:2.2em;margin-bottom:0.6em;font-size:1.5em;border-bottom:2px solid #eaeaea;padding-bottom:8px;}\n.ase-post h3{margin-top:1.6em;font-size:1.15em;}\n.ase-lede{font-size:1.15em;color:#444;}\n.ase-callout{background:#f2f6fb;border-left:4px solid #1a5cff;padding:16px 20px;margin:26px 0;border-radius:6px;}\n.ase-callout strong{color:#1a5cff;}\n.ase-callout.warn{border-left-color:#d9822b;background:#fff8ee;}\n.ase-callout.warn strong{color:#d9822b;}\n.ase-callout.check{border-left-color:#1f9d55;background:#f0faf3;}\n.ase-callout.check strong{color:#1f9d55;}\n.ase-table{width:100%;border-collapse:collapse;margin:28px 0;font-size:0.95em;}\n.ase-table th,.ase-table td{border:1px solid #e0e0e0;padding:10px 14px;text-align:left;vertical-align:top;}\n.ase-table th{background:#14142b;color:#fff;font-weight:600;}\n.ase-table tr:nth-child(even){background:#f8f9fb;}\n\u003c\/style\u003e\n\u003cdiv class=\"ase-post\"\u003e\n\n\u003cp class=\"ase-lede\"\u003eComplete harnesses come pre-terminated for a specific engine layout and ECU, with relays and fuses already in the loom. They are the quickest way to wire a standalone FuelTech install.\u003c\/p\u003e\n\u003ch2\u003eChoosing a complete harness\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS\u003c\/strong\u003e — the FT550 LS Engine GEN IV harness supports 58x and 24x triggers, LS3-style coils, a GM flex fuel sensor and dual WB-O2 Nano connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV8 PRO\u003c\/strong\u003e — FT600 and PRO550 V8 harnesses in Chevy\/Chrysler and Ford versions, with a 37-pin firewall connector and add-on secondary injector and coil harnesses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 4 and 6-cylinder\u003c\/strong\u003e — A harnesses for the FT450\/550. Full sequential on a 4-cylinder needs the FT550 with the B expansion harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty\u003c\/strong\u003e — Ford Godzilla and Suzuki 1300 Gen II harnesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"ase-callout warn\"\u003e\n\u003cstrong\u003eMatch the ECU.\u003c\/strong\u003e Each complete harness names the ECU it plugs into. Check yours before ordering.\u003c\/div\u003e\n\u003cp\u003eBack to the full \u003ca href=\"\/collections\/fueltech-wiring-harnesses\"\u003eFuelTech Wiring Harnesses range\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003c\/div\u003e","products":[{"product_id":"fueltech-ft450-550-4-cylinder-universal-a-harness","title":"FuelTech FT450\/550 4 Cylinder Universal A Harness","description":"\u003cp\u003eThe FT450\/550 4 Cylinder Universal A Harness gives a four-cylinder build a complete plug-and-play loom for an FT450 or FT550. It runs four injectors and four individual smart coils in semi-sequential fuel and wasted spark, with every connector labeled and insulation that resists heat, moisture and oil. It is the only harness an FT450 needs; FT550 owners add the B expansion harness for full sequential and the extra I\/O.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 EV1 injector outputs and 4 smart coil outputs\u003c\/li\u003e\n\u003cli\u003eSemi-sequential or multipoint injection with wasted spark\u003c\/li\u003e\n\u003cli\u003eWorks with high or low impedance injectors\u003c\/li\u003e\n\u003cli\u003eReady for FuelTech Peak \u0026amp; Hold external drivers\u003c\/li\u003e\n\u003cli\u003eReady for FuelTech WB-O2 Nano with Bosch LSU 4.2 sensor\u003c\/li\u003e\n\u003cli\u003eGM-style intake air and engine temperature sensor connectors\u003c\/li\u003e\n\u003cli\u003e2 pressure sensor inputs (fuel, oil or another 0-5V sensor)\u003c\/li\u003e\n\u003cli\u003eCrank and cam connectors with VR and Hall options\u003c\/li\u003e\n\u003cli\u003eExtra output connector for general use\u003c\/li\u003e\n\u003cli\u003e3 relays with built-in fuses for main electronics, injectors and coils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eLow impedance injectors need a FuelTech Peak \u0026amp; Hold driver. High impedance injectors only need the bypass jumper in the driver connector. To energize the coil and injector relays, output Blue #6 must be configured as Fuel Pump or RPM activation.\u003c\/p\u003e\n\u003ch3\u003eRelated parts\u003c\/h3\u003e\n\u003cp\u003eFull sequential injection and the FT550's extra inputs and outputs require the FT550 4 Cylinder Universal B Expansion Harness, sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/4_cylinder_Harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT450\/FT550 4 cylinder universal harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECUs does the 4 cylinder universal A harness fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FuelTech FT450 and FT550.\"}},{\"@type\":\"Question\",\"name\":\"Does it run full sequential injection?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. On its own it runs semi-sequential injection and wasted spark. Full sequential requires the FT550 and the 4 Cylinder Universal B Expansion Harness.\"}},{\"@type\":\"Question\",\"name\":\"Can I use high impedance injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It works with high or low impedance injectors. Low impedance needs a Peak and Hold driver, and high impedance only needs a bypass jumper in the driver connector.\"}},{\"@type\":\"Question\",\"name\":\"What crank and cam sensors does it support?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is set up for either VR or Hall effect crank and cam sensors.\"}},{\"@type\":\"Question\",\"name\":\"Is this all I need for an FT450?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The A harness is all the FT450 requires. The FT550 needs the B expansion harness to use all of its extra inputs and outputs.\"}},{\"@type\":\"Question\",\"name\":\"How are the injector and coil relays switched?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Output Blue #6 must be configured as Fuel Pump or RPM activation to energize the coil and injector relays.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50629659787481,"sku":"2002006505","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/FT450_5504CylinderUniversalA.png?v=1791473532"},{"product_id":"fueltech-ft450-550-sportsman-data-logging-a-harness","title":"FuelTech FT450\/550 Sportsman Datalogging A Harness","description":"\u003cp\u003eThe Sportsman Datalogging A Harness adds data logging to any car running an FT450 or FT550. It is laid out around a Big Block Chevy, but the extra-long leads let it suit many other engines. Key logging channels come pre-terminated, and spare connectors give you outputs for EFI, ignition or accessory control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-terminated: dual wideband O2, oil pressure, fuel pressure, engine temperature, transmission temperature\u003c\/li\u003e\n\u003cli\u003eDriveshaft sensor \/ 2-step connector\u003c\/li\u003e\n\u003cli\u003eExtra input connector: 2 configurable inputs for sensors or buttons\u003c\/li\u003e\n\u003cli\u003eTwo expansion connectors giving 10 outputs for EFI injectors, ignition (CDI with points input or smart coils) or accessories\u003c\/li\u003e\n\u003cli\u003eAccessory outputs suit transbrake, shifter, nitrous, throttle stop, fans and pumps\u003c\/li\u003e\n\u003cli\u003eVR or Hall effect crank and cam sensor setup\u003c\/li\u003e\n\u003cli\u003eTwo 40A relays with fuses power the ECU, WB-O2 Nano, Peak \u0026amp; Hold drivers, sensors and extra connectors\u003c\/li\u003e\n\u003cli\u003eFT450 connector (FT550 A connector) and CPC firewall connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eRunning 8 coils in wasted spark is not recommended for carbureted V8 applications.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHarness\u003c\/li\u003e\n\u003cli\u003eManual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWarranty: 1 year worldwide.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/SPORTSMAN_Harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT450\/FT550 Sportsman datalogging A harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECUs does the Sportsman harness fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FT450, or the A connector of an FT550.\"}},{\"@type\":\"Question\",\"name\":\"Is it only for Big Block Chevy engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is designed around a Big Block Chevy, but the extra-long leads allow it to be used in many other applications.\"}},{\"@type\":\"Question\",\"name\":\"What data channels are pre-wired?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dual wideband O2, oil pressure, fuel pressure, engine temperature, transmission temperature and a driveshaft sensor \/ 2-step connector.\"}},{\"@type\":\"Question\",\"name\":\"Can it control injectors or ignition?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Two expansion connectors give 10 outputs for EFI injectors, ignition through a CDI with points input or smart coils, or accessories such as transbrake, shifter, nitrous and fans.\"}},{\"@type\":\"Question\",\"name\":\"Can I run 8 smart coils in wasted spark on a carbureted V8?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"FuelTech does not recommend 8 coils on wasted spark for carbureted V8 applications.\"}},{\"@type\":\"Question\",\"name\":\"What comes in the box?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness and a manual. The warranty is 1 year worldwide.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50629659820249,"sku":"2002007356","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/sportsman.png?v=1791473534"},{"product_id":"fueltech-6-cylinder-universal-a-harness","title":"FuelTech FT450\/FT550 6 Cylinder Universal A Harness","description":"\u003cp\u003eFor six-cylinder engines on an FT450 or FT550, this A harness comes with the connectors, relays and fuses already built in, so a standard setup goes in plug-and-play. It drives six injectors and six coils in semi-sequential fuel and wasted spark, and the insulation and connectors resist heat, moisture and oil.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 EV1 injector outputs and 6 smart coil outputs\u003c\/li\u003e\n\u003cli\u003eSemi-sequential or multipoint injection with wasted spark\u003c\/li\u003e\n\u003cli\u003eReady for 2 FuelTech Peak \u0026amp; Hold external drivers (jumpers included)\u003c\/li\u003e\n\u003cli\u003eReady for one FuelTech WB-O2 Nano with Bosch LSU 4.2 sensor\u003c\/li\u003e\n\u003cli\u003eGM-style intake air and coolant temperature sensor connectors\u003c\/li\u003e\n\u003cli\u003e2 pressure sensor inputs (fuel, oil or another 0-5V sensor)\u003c\/li\u003e\n\u003cli\u003eCrank and cam connectors with VR and Hall options\u003c\/li\u003e\n\u003cli\u003eExtra output connector for general use\u003c\/li\u003e\n\u003cli\u003e3 relays separating injector and coil power from the electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eLow impedance injectors use the FuelTech Peak \u0026amp; Hold drivers. With high impedance injectors no driver is needed, only the included bypass jumpers. Output Blue #6 must be configured as Fuel Pump or RPM activation to energize the coil and injector relays.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHarness\u003c\/li\u003e\n\u003cli\u003e2 Peak \u0026amp; Hold jumper harnesses\u003c\/li\u003e\n\u003cli\u003eMating kit for the EXTRA connector\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWarranty: 1 year worldwide.\u003c\/p\u003e\n\u003ch3\u003eRelated parts\u003c\/h3\u003e\n\u003cp\u003eThis is the A harness only, which is all the FT450 needs. To use every extra input and output on an FT550, add the FT550 6 Cylinder Expansion B Harness.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/FT450-FT550_6_Cylinder_universal_A_harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT450\/FT550 6 cylinder universal harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECUs does the 6 cylinder universal A harness fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FuelTech FT450 and FT550.\"}},{\"@type\":\"Question\",\"name\":\"Does it work with high impedance injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. With high impedance injectors no Peak and Hold driver is needed, only the bypass jumpers, and two Peak and Hold jumper harnesses are included.\"}},{\"@type\":\"Question\",\"name\":\"What ignition and injection modes does it run?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Semi-sequential or multipoint injection with wasted spark, for up to 6 injectors and 6 smart coils.\"}},{\"@type\":\"Question\",\"name\":\"Is the A harness enough for an FT550?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It works with the FT550, but using all of the FT550's extra inputs and outputs requires the FT550 6 Cylinder Expansion B Harness.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness, two Peak and Hold jumper harnesses, a mating kit for the EXTRA connector and a user manual. Warranty is 1 year worldwide.\"}},{\"@type\":\"Question\",\"name\":\"How are the coil and injector relays switched?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Output Blue #6 must be configured as Fuel Pump or RPM activation.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50629659853017,"sku":"2002007385","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/DSC03172-Edit.png?v=1791473535"},{"product_id":"fueltech-ft550-4-cylinder-universal-b-harness","title":"FuelTech FT550 4 Cylinder Universal B Expansion Harness","description":"\u003cp\u003eThe B expansion harness plugs into the FT550's B connector and works alongside the 4 Cylinder Universal A Harness. It adds four more injector outputs for up to eight injectors staged sequentially, a direct GearController sensor connection, CAN B and extra inputs and outputs. Buy it alone if you already have the A harness, or as an A and B set.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFT550 B connector\u003c\/li\u003e\n\u003cli\u003e4 additional EV1 injector connectors (high impedance only) for 8 staged sequential injectors\u003c\/li\u003e\n\u003cli\u003eFT CAN B connector\u003c\/li\u003e\n\u003cli\u003eGearController sensor connector\u003c\/li\u003e\n\u003cli\u003eExtra INPUTS connector for up to 5 more input channels, mating kit included\u003c\/li\u003e\n\u003cli\u003eExtra OUTPUTS connector for up to 8 more outputs, mating kit included\u003c\/li\u003e\n\u003cli\u003eRelay with fuse for the added injectors\u003c\/li\u003e\n\u003cli\u003eLabeled connectors; heat, moisture and oil resistant insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB Expansion Harness\u003c\/strong\u003e: B harness only, for cars that already have the 4 Cylinder Universal A Harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(A \u0026amp; B) Harnesses\u003c\/strong\u003e: the FT450\/550 4 Cylinder Universal A Harness plus the B expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFT550 ECU only. The B harness must be used together with the FT450\/550 4 Cylinder Universal A Harness.\u003c\/p\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eExtra inputs suit driveshaft RPM, transbrake button, suspension travel, input shaft RPM or a staging button. Extra outputs suit boost control solenoids, transbrake solenoid, dump and lockup valves, gear shift and nitrous stages.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/4_cylinder_Harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT450\/FT550 4 cylinder universal harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the B expansion harness work with the FT450?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It is only compatible with the FT550 and must be used along with the FT450\/550 4 Cylinder Universal A Harness.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the two options?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The B Expansion option is the B harness only. The (A and B) option includes both the 4 Cylinder Universal A Harness and the B expansion.\"}},{\"@type\":\"Question\",\"name\":\"Can I use low impedance injectors on the extra injector outputs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The four additional injector connectors are for high impedance injectors only.\"}},{\"@type\":\"Question\",\"name\":\"How many injectors can I run with A and B?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Up to 8 injectors staged sequentially on a 4 cylinder.\"}},{\"@type\":\"Question\",\"name\":\"What extra I\/O does it add?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An INPUTS connector for up to 5 more input channels and an OUTPUTS connector for up to 8 more outputs, each with a mating connector kit, plus CAN B and a GearController sensor connector.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"FT550 4 Cylinder Universal B Expansion Harness","offer_id":50629708316889,"sku":"2002006600","price":279.0,"currency_code":"USD","in_stock":true},{"title":"FT550 4 Cylinder Universal (A \u0026 B) Harnesses","offer_id":50629708349657,"sku":"2002006505 \/ 2002006600","price":878.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/FT5504CylinderUniversalB.png?v=1791474239"},{"product_id":"fueltech-ft550-6-cylinder-expansion-b-harness","title":"FuelTech FT550 6 Cylinder Expansion B Harness","description":"\u003cp\u003eFuelTech's 6 cylinder A and B harnesses are a universal loom for inline-six and V6 engines. The B expansion plugs into the FT550 and works with the A harness to double the injector count to twelve. Order the B harness alone if the A is already installed, or the A and B set for a fresh build.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 EV1 injector connectors on the A harness, 12 with the FT550 and B harness\u003c\/li\u003e\n\u003cli\u003eFuelTech Peak \u0026amp; Hold external driver ready on both A and B harnesses\u003c\/li\u003e\n\u003cli\u003eOne FuelTech WB-O2 Nano ready\u003c\/li\u003e\n\u003cli\u003eGM-style intake air temperature connector and coolant temperature sensor\u003c\/li\u003e\n\u003cli\u003eFuel and oil pressure sensor ready\u003c\/li\u003e\n\u003cli\u003eExtra output connector for custom use\u003c\/li\u003e\n\u003cli\u003eCrank and cam (Hall and VR) loose wires\u003c\/li\u003e\n\u003cli\u003eMoisture, heat and oil resistant insulation and connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eB Expansion Harness\u003c\/strong\u003e: B harness only, for cars with the 6 Cylinder Universal A Harness already fitted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(A \u0026amp; B) Harnesses\u003c\/strong\u003e: the FT450\/FT550 6 Cylinder Universal A Harness plus the B expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe B expansion is for the FT550 and is used with the FT450\/FT550 6 Cylinder Universal A Harness. Inline-six and V6 layouts; with some changes it can suit many other applications.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHarness (or harnesses, for the A and B option)\u003c\/li\u003e\n\u003cli\u003eManual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWarranty: 1 year worldwide.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/FT450-FT550_6_Cylinder_universal_A_harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT450\/FT550 6 cylinder universal harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the 6 cylinder B harness add?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Used with the FT550 and the 6 cylinder A harness, it expands from 6 to 12 EV1 injector connectors, with Peak and Hold driver support on both harnesses.\"}},{\"@type\":\"Question\",\"name\":\"Does it work with the FT450?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The B expansion is for the FT550. The FT450 uses the A harness alone.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the two options?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One option is the B harness only. The other includes both the 6 Cylinder Universal A Harness and the B expansion.\"}},{\"@type\":\"Question\",\"name\":\"Which engine layouts does it suit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is designed as a universal fit for inline-six and V6 engines, and with some modifications many other applications.\"}},{\"@type\":\"Question\",\"name\":\"What comes with it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness and a manual, with a 1-year worldwide warranty.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"FT550 6 Cylinder Universal B Expansion Harness","offer_id":50629708382425,"sku":"2002008377","price":329.0,"currency_code":"USD","in_stock":true},{"title":"FT550 6 Cylinder Universal (A \u0026 B) Harnesses","offer_id":50629708415193,"sku":"2002007385 \/ 2002008377","price":1028.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/6cylinderb.png?v=1791474240"},{"product_id":"fueltech-ft550-ford-godzilla-engine-complete-harness","title":"FuelTech FT550 Ford Godzilla Engine Complete Harness","description":"\u003cp\u003eThis complete harness takes a Ford Godzilla engine swap standalone on a FuelTech FT550 or FT550LITE. It comes pre-terminated for the Godzilla with every relay and fuse in place, so power-up is a simple three-wire battery and ignition hookup. Each connector is labeled, and the harness insulation resists heat, moisture and oil.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-terminated for the Ford Godzilla engine\u003c\/li\u003e\n\u003cli\u003eReady for Godzilla OEM smart coils (2023 and newer models)\u003c\/li\u003e\n\u003cli\u003eCrank and cam sensor connections\u003c\/li\u003e\n\u003cli\u003eEV1 injector connectors\u003c\/li\u003e\n\u003cli\u003eGM-style flex fuel sensor connector\u003c\/li\u003e\n\u003cli\u003eGM coolant and air temperature sensor connectors\u003c\/li\u003e\n\u003cli\u003eFord SENT drive-by-wire or cable throttle body\u003c\/li\u003e\n\u003cli\u003eDual WB-O2 Nano connections\u003c\/li\u003e\n\u003cli\u003eExtra connectors for future sensors and actuators\u003c\/li\u003e\n\u003cli\u003eAll relays and fuses included; three-wire battery and ignition hookup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFuelTech FT550 or FT550LITE on a Ford Godzilla engine. Coil connectors are for Godzilla OEM smart coils from 2023 and newer models.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1414\/6340\/files\/Manual_Chicote_Godzilla.pdf?v=1781629003\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT550 Ford Godzilla harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECUs does the Godzilla harness work with?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FuelTech FT550 and FT550LITE.\"}},{\"@type\":\"Question\",\"name\":\"Which ignition coils does it support?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Godzilla OEM smart coils from 2023 and newer models.\"}},{\"@type\":\"Question\",\"name\":\"Does it support drive-by-wire?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is ready for a Ford SENT drive-by-wire throttle body or a cable throttle body.\"}},{\"@type\":\"Question\",\"name\":\"Is it flex fuel ready?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It has a connector for a GM-style flex fuel sensor.\"}},{\"@type\":\"Question\",\"name\":\"How is it powered?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"All relays and fuses are built in, so it needs a simple three-wire battery hookup plus ignition power.\"}},{\"@type\":\"Question\",\"name\":\"Can I add more sensors later?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Extra connectors allow expansion if more sensors or actuators are needed.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50629709660377,"sku":"2002015142","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/PHOTO_GODZILLA.jpg?v=1791474241"},{"product_id":"fueltech-ls550-v8-complete-harness","title":"FuelTech FT550 LS Engine GEN IV Complete Harness","description":"\u003cp\u003eThe FT550 LS Engine Gen IV Complete Harness replaces the factory GM ECU and harness on an LS so the engine runs standalone on a FuelTech FT550 or FT550LITE. It is pre-terminated for the LS with all relays and fuses, a firewall grommet and a labeled connector at every sensor, so power-up is a three-wire battery and ignition hookup. Both 58x and 24x triggers, LS3-style coils, flex fuel and dual wideband are supported out of the box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 sequential EV1 injector outputs; no injector sub-harness needed\u003c\/li\u003e\n\u003cli\u003eHigh impedance injectors direct, or low impedance with 2 FuelTech Peak \u0026amp; Hold drivers\u003c\/li\u003e\n\u003cli\u003eDirect connection to LS3-style coils, fully sequential; no coil sub-harness\u003c\/li\u003e\n\u003cli\u003e58x or 24x crank; front or rear cam sync (1 and 4 tooth)\u003c\/li\u003e\n\u003cli\u003eDrive-by-wire (GM pedal and ETB) or cable throttle body\u003c\/li\u003e\n\u003cli\u003eContinental flex fuel sensor connector included\u003c\/li\u003e\n\u003cli\u003eDual FuelTech WB-O2 Nano with Bosch LSU 4.2 sensors\u003c\/li\u003e\n\u003cli\u003eINPUTS connector for up to 6 extra inputs; EXTRA OUTPUTS connector for up to 8 outputs\u003c\/li\u003e\n\u003cli\u003eThree 40A relays with fuses: main, injectors\/drivers, coils\u003c\/li\u003e\n\u003cli\u003eHarness weight: 8 lb 3 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFuelTech FT550 or FT550LITE on a GM Gen IV LS engine. Throttle support covers the OEM GM pedal and electronic throttle body from the LS2, LS3, LS7, LSA, LS9 and similar, as well as a cable throttle body when converted from electronic to mechanical throttle.\u003c\/p\u003e\n\u003ch3\u003ePre-wired sensors\u003c\/h3\u003e\n\u003cp\u003eElectronic pedal, electronic throttle body, TPS, 24x or 58x crank trigger, front and rear cam sync, flex fuel, fuel pressure, oil pressure, coolant and intake air temperature. More can be added through the INPUTS connector.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 FT550 LS Engine Gen IV Complete Harness\u003c\/li\u003e\n\u003cli\u003e2 Peak \u0026amp; Hold jumper harnesses\u003c\/li\u003e\n\u003cli\u003e1 LS550 6-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 LS550 8-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 LS550 10-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 operation and installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/LS550%20Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech LS550 V8 complete harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECUs does the LS550 harness fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FuelTech FT550 and FT550LITE.\"}},{\"@type\":\"Question\",\"name\":\"Does it work with 24x and 58x LS engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is ready for both 58x and 24x crank triggers, with front or rear cam sync (1 and 4 tooth compatible).\"}},{\"@type\":\"Question\",\"name\":\"Do I need separate injector or coil sub-harnesses?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Injectors and LS3-style coils are wired directly in the harness.\"}},{\"@type\":\"Question\",\"name\":\"Does it support drive-by-wire?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It supports the OEM GM pedal and electronic throttle body from the LS2, LS3, LS7, LSA, LS9 and similar, or a cable throttle body when converted to mechanical throttle.\"}},{\"@type\":\"Question\",\"name\":\"Can I run low impedance injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, with two FuelTech Peak and Hold drivers. High impedance injectors run directly, using the two included Peak and Hold jumper harnesses.\"}},{\"@type\":\"Question\",\"name\":\"Is it flex fuel ready?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It includes a connector for the Continental flex fuel sensor.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness, two Peak and Hold jumper harnesses, LS550 6-way, 8-way and 10-way connector kits and an operation and installation guide.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50629709725913,"sku":"2002007265","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/FuelTech-LS-550-V8-Complete-Wiring-Harness-LS-Engine-Swap.png?v=1791474242"},{"product_id":"fueltech-pro550-v8-complete-harness","title":"FuelTech FT550 PRO V8 Complete Harness","description":"\u003cp\u003eThe FT550 PRO V8 Complete Harness connects an FT550 or FT550LITE to nearly any racing V8. It arrives pre-terminated with all relays and fuses for a three-wire battery and ignition hookup, and passes through the firewall on a 37-pin connector. Its modular layout means coil-per-cylinder ignition is added with plug-in auxiliary harnesses rather than rewiring.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet up for 8 EV1 injectors\u003c\/li\u003e\n\u003cli\u003e37-pin firewall connector\u003c\/li\u003e\n\u003cli\u003ePre-wired: TPS, Hall and VR crank and cam, fuel, oil, wastegate and turbo back pressure, coolant and air temperature, driveshaft\u003c\/li\u003e\n\u003cli\u003ePre-wired for 2 FuelTech EGT-4 CAN modules\u003c\/li\u003e\n\u003cli\u003eDual WB-O2 Nano conditioners and two O2 sensors\u003c\/li\u003e\n\u003cli\u003eINPUTS connector for up to 5 extra input channels\u003c\/li\u003e\n\u003cli\u003e2 additional OUTPUTS connectors for boost solenoids, transbrake, dump and lockup valves, shifter, nitrous\u003c\/li\u003e\n\u003cli\u003eDistributor ignition direct, or coil-per-cylinder via add-on harnesses\u003c\/li\u003e\n\u003cli\u003eLabeled connectors; heat, moisture and oil resistant insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eChoose the cylinder orientation to match your engine: \u003cstrong\u003eChevy \/ Chrysler\u003c\/strong\u003e or \u003cstrong\u003eFord\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eRelated parts\u003c\/h3\u003e\n\u003cp\u003eCoil-per-cylinder ignition uses the FT550\/FT600 PRO V8 Smart Coil Harness or the FTSPARK-8 PRO Harness. A dual-channel Alcohol O2 with NTK sensors can be run with an additional adapter (requires Bosch to NTK adapters).\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 FT550 PRO V8 Complete Harness\u003c\/li\u003e\n\u003cli\u003e1 8-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 10-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 12-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 operation and installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/PRO_550_V8_Harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech PRO550 V8 complete harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECUs does the PRO550 V8 harness fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FuelTech FT550 and FT550LITE.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the Chevy\/Chrysler and Ford versions?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They are wired for the cylinder orientation of each engine family. Pick the one that matches your engine.\"}},{\"@type\":\"Question\",\"name\":\"Can I run individual coils?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It runs a distributor directly, or coil-per-cylinder ignition such as smart coils or the FuelTech FTSPARK CDI with an add-on harness.\"}},{\"@type\":\"Question\",\"name\":\"How many injectors does it support?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is set up for 8 EV1 injectors.\"}},{\"@type\":\"Question\",\"name\":\"Does it support EGT monitoring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is pre-wired for two FuelTech EGT-4 CAN modules.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness, 8-way, 10-way and 12-way connector kits and an operation and installation guide.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Chevy \/ Chrysler","offer_id":50629872255193,"sku":"3026109037","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Ford","offer_id":50629872287961,"sku":"3026110979","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/PRO550.png?v=1791476142"},{"product_id":"fueltech-pro550-600-ftspark-8-harness","title":"FuelTech FT550\/FT600 FTSPARK-8 PRO Harness","description":"\u003cp\u003eThis plug-in expansion adds FuelTech's FTSPARK-8 CDI ignition and CDI racing coils to a PRO550 or PRO600 V8 harness. It passes the firewall on a 16-way CPC connector and comes terminated for the CDI coils, the FuelTech CAN connection and the output controls, so moving to a high-power multi-coil setup is a bolt-in job.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor the FTSPARK-8 CDI module and FuelTech CDI racing coils\u003c\/li\u003e\n\u003cli\u003ePlug-and-play with PRO550 and PRO600 V8 harnesses\u003c\/li\u003e\n\u003cli\u003e16-way CPC firewall connector\u003c\/li\u003e\n\u003cli\u003eUses Outputs B (gray wires) on the PRO600 harness\u003c\/li\u003e\n\u003cli\u003eSingle-wire serial bus connection that works only with FuelTech ECUs (FT450 and above)\u003c\/li\u003e\n\u003cli\u003eLabeled connectors; heat, moisture and oil resistant insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAN connector\u003c\/li\u003e\n\u003cli\u003ePower and ground ring terminals (battery)\u003c\/li\u003e\n\u003cli\u003e10-way connector with wires for the ECU\u003c\/li\u003e\n\u003cli\u003eCPC connector for the firewall\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eBuilt to plug into the PRO600 harness. Using it with another brand of ECU means modifying the harness and adding seven additional output wires. Confirm compatibility with your setup before ordering.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the FTSPARK-8 PRO harness connect?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It connects the FuelTech FTSPARK-8 CDI module and FuelTech CDI racing coils to a PRO550 or PRO600 V8 harness.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it with a non-FuelTech ECU?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not as supplied. It uses a single-wire serial bus that only works with FuelTech ECUs (FT450 and above). Other ECUs need the harness modified with seven additional output wires.\"}},{\"@type\":\"Question\",\"name\":\"Which PRO600 outputs does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Outputs B, the gray wires, on the PRO600 harness.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the Chevy\/Chrysler and Ford versions?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They match the cylinder orientation of each engine family.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A CAN connector, battery power and ground ring terminals, a 10-way connector with wires for the ECU and a CPC firewall connector.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Chevy \/ Chrysler","offer_id":50629872419033,"sku":"2002010982","price":599.0,"currency_code":"USD","in_stock":true},{"title":"Ford","offer_id":50629872451801,"sku":"2002110981","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/PRO550_600FTSPARK-8.png?v=1791476143"},{"product_id":"fueltech-pro550-600-v8-smart-coil-harness","title":"FuelTech FT550\/FT600 PRO V8 Smart Coil Harness","description":"\u003cp\u003eAdd coil-per-cylinder smart coil ignition to a PRO550 or PRO600 V8 harness with this plug-in expansion. It goes through the firewall on a 16-way CPC connector and comes terminated for the smart coils, the FuelTech CAN connection and the output controls.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor smart ignition coils with built-in igniter\u003c\/li\u003e\n\u003cli\u003ePlug-and-play with PRO550 and PRO600 V8 harnesses\u003c\/li\u003e\n\u003cli\u003e16-way CPC firewall connector\u003c\/li\u003e\n\u003cli\u003eUses Outputs B (gray wires) on the PRO600 harness\u003c\/li\u003e\n\u003cli\u003eLabeled connectors; heat, moisture and oil resistant insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFuse and relay\u003c\/li\u003e\n\u003cli\u003ePower and ground ring terminals (battery)\u003c\/li\u003e\n\u003cli\u003e10-way connector with wires for the ECU\u003c\/li\u003e\n\u003cli\u003eCPC connector for the firewall\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility with your specific setup before ordering.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What coils does this harness work with?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Smart ignition coils with a built-in igniter.\"}},{\"@type\":\"Question\",\"name\":\"Which main harnesses does it plug into?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The PRO550 and PRO600 V8 complete harnesses.\"}},{\"@type\":\"Question\",\"name\":\"Which PRO600 outputs does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Outputs B, the gray wires.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the Chevy\/Chrysler and Ford versions?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They match the cylinder orientation of each engine family.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A fuse, a relay, battery power and ground ring terminals, a 10-way connector with wires for the ECU and a CPC firewall connector.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Chevy \/ Chrysler","offer_id":50629872517337,"sku":"2002108803","price":549.0,"currency_code":"USD","in_stock":true},{"title":"Ford","offer_id":50629872550105,"sku":"2002110980","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/SmartCoil.png?v=1791476144"},{"product_id":"fueltech-pro600-v8-complete-harness","title":"FuelTech FT600 PRO V8 Complete Harness","description":"\u003cp\u003eThe FT600 PRO V8 Complete Harness is FuelTech's main loom for putting an FT600 on a racing V8. It comes pre-terminated with all relays and fuses for a three-wire battery and ignition hookup and uses a 37-pin firewall connector. Add-on harnesses plug into its output connectors for a second bank of injectors or coil-per-cylinder ignition.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet up for 8 EV1 injectors; 16 with the optional secondary injector harness\u003c\/li\u003e\n\u003cli\u003e37-pin firewall connector\u003c\/li\u003e\n\u003cli\u003ePre-wired: TPS, Hall and VR crank and cam, fuel, oil, wastegate and turbo back pressure, coolant and air temperature\u003c\/li\u003e\n\u003cli\u003eDual WB-O2 Nano conditioners and two O2 sensors\u003c\/li\u003e\n\u003cli\u003eINPUTS connector for up to 13 extra input channels\u003c\/li\u003e\n\u003cli\u003e3 additional OUTPUTS connectors for boost solenoids, transbrake, dump and lockup valves, shifter, nitrous\u003c\/li\u003e\n\u003cli\u003eDistributor ignition direct, or coil-per-cylinder via add-on harnesses\u003c\/li\u003e\n\u003cli\u003eLabeled connectors; heat, moisture and oil resistant insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eChoose the cylinder orientation to match your engine: \u003cstrong\u003eChevy \/ Chrysler\u003c\/strong\u003e or \u003cstrong\u003eFord\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eRelated parts\u003c\/h3\u003e\n\u003cp\u003eThe FT600 PRO V8 Secondary Injector Harness expands to 16 injectors. Coil-per-cylinder ignition uses the PRO V8 Smart Coil Harness or the FTSPARK-8 PRO Harness. A dual-channel Alcohol O2 with NTK sensors can be run with an additional adapter (requires Bosch to NTK adapters).\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 FT600 PRO V8 complete harness\u003c\/li\u003e\n\u003cli\u003e1 Peak \u0026amp; Hold PRO jumper\u003c\/li\u003e\n\u003cli\u003e1 8-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 10-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 12-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 16-way connector kit\u003c\/li\u003e\n\u003cli\u003e1 operation and installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/PRO600_GEN-3_Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT600 PRO V8 complete harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which ECU is the PRO600 V8 harness for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FuelTech FT600.\"}},{\"@type\":\"Question\",\"name\":\"Can it run 16 injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, with the optional FT600 PRO V8 Secondary Injector Harness. On its own it is set up for 8 EV1 injectors.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the Chevy\/Chrysler and Ford versions?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They are wired for the cylinder orientation of each engine family.\"}},{\"@type\":\"Question\",\"name\":\"Can I run individual coils?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It runs a distributor directly or coil-per-cylinder ignition, such as smart coils or the FTSPARK CDI, through an add-on harness.\"}},{\"@type\":\"Question\",\"name\":\"How many extra inputs does it have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The INPUTS connector allows up to 13 additional input channels, and there are 3 extra OUTPUTS connectors.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The harness, a Peak and Hold PRO jumper, 8-way, 10-way, 12-way and 16-way connector kits and an operation and installation guide.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Chevy \/ Chrysler","offer_id":50629872582873,"sku":"3026109080","price":1699.0,"currency_code":"USD","in_stock":true},{"title":"Ford","offer_id":50629872615641,"sku":"3026110977","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/Pro600FullHarness.png?v=1791476145"},{"product_id":"fueltech-pro600-v8-secondary-injector-harness","title":"FuelTech FT600 PRO V8 Secondary Injector Harness","description":"\u003cp\u003eThis expansion plugs into the PRO600 V8 harness and adds a second set of eight injectors, for a total of 16 fully sequential. It passes the firewall on a 24-position CPC connector and carries its own 30A relay and fuse plus two Peak \u0026amp; Hold driver connections.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExpands the PRO600 V8 harness to 16 sequential injectors\u003c\/li\u003e\n\u003cli\u003e8 EV1 injector connectors\u003c\/li\u003e\n\u003cli\u003e24-position CPC firewall connector\u003c\/li\u003e\n\u003cli\u003eSingle 30A relay with fuse protection\u003c\/li\u003e\n\u003cli\u003eTwo Peak \u0026amp; Hold driver connections\u003c\/li\u003e\n\u003cli\u003eUses PRO600 Outputs Connector A (blue wires)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e8 injector connectors\u003c\/li\u003e\n\u003cli\u003eFuse and relay\u003c\/li\u003e\n\u003cli\u003eAuxiliary power connector (from battery)\u003c\/li\u003e\n\u003cli\u003e12-way connector for the ECU Peak \u0026amp; Hold PRO connector\u003c\/li\u003e\n\u003cli\u003eCPC firewall connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility with your setup before ordering.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the secondary injector harness do?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It plugs into the PRO600 V8 harness and adds 8 more injectors for 16 fully sequential injectors.\"}},{\"@type\":\"Question\",\"name\":\"Which injector connector does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"EV1 injector connectors.\"}},{\"@type\":\"Question\",\"name\":\"Which PRO600 outputs does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Outputs Connector A, the blue wires.\"}},{\"@type\":\"Question\",\"name\":\"Does it need its own power?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It includes a 30A relay, fuse and an auxiliary power connector fed from the battery.\"}},{\"@type\":\"Question\",\"name\":\"What is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"8 injector connectors, a fuse, a relay, an auxiliary power connector, a 12-way connector for the ECU Peak and Hold PRO connector and a CPC firewall connector.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50629939953881,"sku":"2002109220","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/pro600secondaryv8harness2.png?v=1791476838"},{"product_id":"fueltech-ft550-suzuki-1300-gen-ii-adapter-harness","title":"FuelTech FT550 Suzuki 1300 GEN II Adapter Harness","description":"\u003cp\u003eAn adapter harness that connects a FuelTech FT550 directly to the factory wiring on Suzuki 1300 Gen 2 motorcycles. It is built with mil-spec wire and installs without modifying the bike's harness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMil-spec wire: smaller and lighter\u003c\/li\u003e\n\u003cli\u003eFully heat-shrink sleeved for durability and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eWired for the OEM sensors, with pre-wiring for added sensors and actuators\u003c\/li\u003e\n\u003cli\u003eWorks with stock coils and stock injectors\u003c\/li\u003e\n\u003cli\u003eNo modifications to factory wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eSuzuki 1300 Gen 2 motorcycles with 1300cc engines, model years 2008-2020. Built for the FT550 ECU. An FT600 can be used with an FT550-to-FT600 adapter harness (sold separately) or by changing to an FT600 connector and terminal kit.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1414\/6340\/files\/ft550-suzuki-1300-gen-ii-adapter-harness-manual.pdf?v=1742929729\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT550 Suzuki 1300 Gen II adapter harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which bikes does it fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Suzuki 1300 Gen 2 motorcycles with 1300cc engines from 2008 to 2020.\"}},{\"@type\":\"Question\",\"name\":\"Do I have to cut or modify the factory harness?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It connects directly to the factory wiring with no modifications required.\"}},{\"@type\":\"Question\",\"name\":\"Can I use it with an FT600?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, with an FT550-to-FT600 adapter harness (sold separately) or by replacing the connector with an FT600 connector and terminal kit.\"}},{\"@type\":\"Question\",\"name\":\"Can I keep my stock coils and injectors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is designed to work with stock coils and stock injectors.\"}},{\"@type\":\"Question\",\"name\":\"Is the ECU included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. This is the harness only; it is made for the FT550 ECU.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"Default Title","offer_id":50630010798297,"sku":"2002113544","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/fueltech-susuki-1300-adapter-harness.png?v=1791478168"}],"url":"https:\/\/www.autosportsengineering.com\/collections\/fueltech-complete-harnesses.oembed","provider":"Autosports engineering","version":"1.0","type":"link"}