Harnesses connect a FuelTech ECU to the engine, sensors and accessories. The range runs from pre-terminated engine harnesses to bare unterminated looms, plus adapter harnesses, plug-and-play vehicle harnesses and the connectors to build your own.
Complete harness — pre-terminated for an engine family, with relays and fuses built in. The FT550 LS GEN IV harness, for example, supports 58x and 24x triggers and LS3-style coils.
Unterminated harness — ECU connector on one end, loose wires on the other, for custom installs. The FT550 needs both A and B harnesses; the B harness alone is for FT450 upgrades.
Adapter harness — moves an existing installation to a newer ECU, or links accessories such as peak & hold drivers and wideband controllers.
Plug-and-play vehicle harness — plugs into the OEM harness on supported PWCs, UTVs and motorcycles.
Connector and plug kits — for repairing a harness or building one from scratch.
Match the ECU model. Harnesses and connector kits are ECU-specific. Check that the listing names your ECU (FT450, FT550, FT600 or FT700) before ordering.
The Smart Ignition Coil Plug Kit provides the connectors for wiring smart ignition coils to your FuelTech ECU or other engine management system, whether...
The unterminated wiring harness for the FuelTech SparkPRO-6 ignition module. The module connector is installed and the leads are left open to wire to...
The unterminated wiring harness for the FuelTech SparkPRO-5 ignition module. The module connector is installed and the leads are left open to wire to...
The unterminated wiring harness for the FuelTech SparkPRO-4 ignition module. The module connector is installed and the leads are left open to wire to...
The unterminated wiring harness for the FuelTech SparkPRO-3 ignition module. The module connector is installed and the leads are left open to wire to...
The 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...
A connector kit for injectors that use the Nippon Denso style plug, for building or repairing a custom injector harness. Nippon Denso injector connector...
A connector kit for terminating injectors with EV6/EV14 connectors on a custom harness. It is specified for use with Injector Dynamics injectors. EV6/EV14 injector...
Everything needed to terminate one EV1-style injector on a custom harness: the connector, two terminals and a 90-degree boot to protect the wiring. EV1...
A short fuel injector connector adapter for going between EV6 and EV1 connector styles. EV6 to EV1 fuel injector connector adapter Converts between EV6...
A short fuel injector connector adapter for going between EV1 and EV6 connector styles. EV1 to EV6 fuel injector connector adapter Converts between EV1...
An optional 8-way connector for Sea-Doo personal watercraft running the FuelTech FT550 Sea-Doo 300 Jet Ski PNP Adapter Harness. It adds outputs for accessories...
An optional 12-way connector for Sea-Doo personal watercraft running the FuelTech FT550 Sea-Doo 300 Jet Ski PNP Adapter Harness. It opens up extra inputs,...
The unterminated wiring harness for the FuelTech SparkPRO-2 ignition module. The module connector is installed and the leads are left open to wire to...
The unterminated wiring harness for the FuelTech SparkPRO-1 ignition module. The module connector is installed and the leads are left open to wire to...
This harness wires FuelTech's Peak & Hold PRO injector driver into the engine management system. The driver is what lets an ECU control high-performance...
FuelTechFuelTech Cables & CAN ComponentsFuelTech Wiring Harnesses
This external GPS antenna connects directly to the FuelTech FT700. It feeds the FT700 position data for vehicle speed, track position and data logging,...
A single harness-side input/output terminal for the PRO550 and PRO600 8, 10, 12 and 16-way connectors. Harness-side terminal For PRO550/600 8, 10, 12 and...
A single input/output terminal for the PRO550 and PRO600 expansion connectors, for adding or repairing a circuit. For PRO550/600 8, 10, 12 and 16-way...
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