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Wiring Harnesses, Adapters, USB/CAN Cables, Connectors & Plug Kits

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FuelTech wiring harnesses and components are designed to streamline and enhance the wiring process for high-performance vehicles. These harnesses are designed with precision and durability in mind, ensuring reliable connections and optimal electrical performance in demanding conditions. Whether racing on the track, the water, or offroad, FuelTech wiring harnesses offer plug-and-play compatibility with FuelTech ECUs and other performance electronics, simplifying installation and minimizing downtime. With a comprehensive range of components such as connectors, relays, and sensors.

FuelTech Pro600 Wiring Harness for FT600 ECU

FT600 PRO V8 Complete Harness from $1,799.00

FT550 PRO V8 Complete Harness

FT550 PRO V8 Complete Harness from $1,199.00

FuelTech LS550 V8 Plug and Play wiring harness for LS engine swap

FT550 LS Engine GEN IV Complete Harness $999.00

FuelTech Sportsman Wiring Harness for FT450 or FT550

FT450/550 Sportsman Datalogging A Harness $799.00

FT450/550 4 Cylinder Universal A Harness

FT450/550 4 Cylinder Universal A Harness $699.00

FT550 4 Cylinder Universal B Expansion Harness

FT550 4 Cylinder Universal B Expansion Harness from $299.00

FT450/FT550 6 Cylinder Universal A Harness

FT450/FT550 6 Cylinder Universal A Harness $759.00 Sold Out

FT550 6 Cylinder Expansion B Harness

FT550 6 Cylinder Expansion B Harness from $399.00

PROBIKE A Harness

PROBIKE A Harness $659.00 $799.00

PROBIKE B Expansion Harness

PROBIKE B Expansion Harness $429.00 $499.00

FT600 PRO V8 Secondary Injector Harness

FT600 PRO V8 Secondary Injector Harness $439.00

FT550/FT600 FTSPARK-8 PRO Harness

FT550/FT600 FTSPARK-8 PRO Harness from $559.00 Sold Out

FT550/FT600 FTSPARK-1 PRO Harness

FT550/FT600 FTSPARK-1 PRO Harness $399.00

FT550/FT600 PRO V8 Smart Coil Harness

FT550/FT600 PRO V8 Smart Coil Harness from $499.00

FT450 Off-Road Single Cylinder Mini Bike Harness

FT450 Off-Road Single Cylinder Mini Bike Harness $219.00

FT550 2024 Sea Doo 325 PWC PNP Harness

FT550 2024 Sea Doo 325 PWC PNP Harness from $1,299.00 $3,916.00

FT550 ECU for Sea Doo 300 Wiring Harness Adapter

FT550 Sea Doo 300 Jetski PNP from $1,299.00 $3,627.00

Plug and play wiring harness for 2009 and older Sea Doo and FT450 ECU

FT450 2009 & Older Sea Doo Jet-ski PNP from $949.00 $3,177.00

FT550 ECU Wiring Harness Adapter for Yamaha 1800 2018-2024 PWC

FT550 2018-2024 Yamaha 1800 Adapter Harness (2 Plug) from $1,299.00 $3,298.00

Yamaha 1800 FT550 ECU Wiring Harness Plug and Play Adapter

FT550 2008-2017 Yamaha 1800 Adapter Harness (3 Plug) from $1,299.00 $3,298.00

Yamaha 1800 to FT550LITE ECU Wiring Harness Adapter

FT550LITE 2018-2024 Yamaha 1800 Short Adapter Harness (2 Plug) from $899.00 $2,498.00

FuelTech FT550 ECU wiring harness adapter for plug and play connection to OEM wiring on Kawasaki SXR 1500 Jet Ski

FT550 Kawasaki SXR 1500 Jet-ski PNP Harness $449.00

FT600 2016-2020 Can-Am Maverick X3 Adapter Harness PNP

FT600 2016-2020 Can-Am Maverick X3 Adapter Harness PNP $1,299.00

FT600 2021-2024 Can-Am Maverick X3 Adapter Harness PNP

FT600 2021-2024 Can-Am Maverick X3 Adapter Harness PNP $1,299.00

FuelTech WB-O2 Nano Wiring Harness for up to 4 Wideband O2 Sensor Controllers

4x WB-O2 Nano Harness $199.00

Alcohol O2 - Dual Channel Harness

Alcohol O2 - Dual Channel Harness $169.00

BoostController2 Harness

BoostController2 Harness $34.00

FuelTech EGT-4 Signal Conditioner and Input Expander Wiring Harness

EGT-4 CAN Wiring Harness $29.00

FT Input Expander Harness

FT Input Expander Harness $199.00

FT250/300/350/400 Unterminated Main Harness

FT250/300/350/400 Unterminated Main Harness from $75.00

FT250/300/350/400 Dyno Extension - Main Harness

FT250/300/350/400 Dyno Extension - Main Harness $119.00

FT400 Dyno Extension - Auxiliary Harness

FT400 Dyno Extension - Auxiliary Harness $89.00

FT400 Unterminated Auxiliary Harness

FT400 Unterminated Auxiliary Harness from $64.00

FT400 Unterminated Reduced Auxiliary Harness

FT400 Unterminated Reduced Auxiliary Harness $45.00

FT450/550 A Unterminated Harness

FT450/550 A Unterminated Harness from $119.00

FT550 Unterminated Harness

FT550 Unterminated Harness from $119.00

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