Collection: Wiring Harnesses
Wiring harnesses are essential components that provide electrical connections between various engine components, sensors, & the vehicle's main electrical system. They consist of a network of wires, connectors, & terminals that route power & signals to different engine components, such as the ignition system, fuel injectors, sensors, & other electrical devices. The engine wiring harness ensures that all the electrical components in the engine bay are properly connected & can communicate with each other & the vehicle's main control unit. It is designed to withstand the harsh conditions under the hood, including heat, vibrations, & exposure to chemicals & fluids. In addition to providing reliable electrical connections, engine wiring harnesses also play a crucial role in organizing & routing the wiring in a neat & organized manner, simplifying troubleshooting & maintenance tasks. If any issues arise with the engine's electrical system, such as faulty connections or damaged wires, the wiring harness may need to be repaired or replaced. Upgrading to aftermarket engine wiring harnesses can also be done to support engine modifications or to improve overall electrical performance.
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FAST Wiring Harness Fast Main Dragster/Boat 301106
Part # 301106Vendor:FAST ELECTRONICSRegular price $439.95 USDRegular price$483.95 USDSale price $439.95 USDSale -
FAST XFI Main Harness 301108 fits GM LS style sensors. 301108
Part # 301108Vendor:FAST ELECTRONICSRegular price $439.95 USDRegular price$483.95 USDSale price $439.95 USDSale -
FAST XFI Harness designed for engines whose sensors feature GM TPI style sensors. 301100
Part # 301100Vendor:FAST ELECTRONICSRegular price $465.95 USDRegular price$512.55 USDSale price $465.95 USDSale -
FAST XFI Fuel Inector Harness for GM LS Series engines. 301202
Part # 301202Vendor:FAST ELECTRONICSRegular price $157.95 USDRegular price$173.75 USDSale price $157.95 USDSale -
FAST XFI Fuel Inector Harness for Small Block Chevrolet Big Block Chevrolet and LT1 Chevrolet engines. 301200
Part # 301200Vendor:FAST ELECTRONICSRegular price $163.95 USDRegular price$180.35 USDSale price $163.95 USDSale -
FAST XFI Fuel Inector Harness for 4-7 Swap Firing Order Small Block Chevrolet Big Block Chevrolet and LT1 Chevrolet engines. 301201
Part # 301201Vendor:FAST ELECTRONICSRegular price $191.95 USDRegular price$211.15 USDSale price $191.95 USDSale -
FAST XFI 2.0 Main Harness for Ford Mustang Cobra Jet 301150
Part # 301150Vendor:FAST ELECTRONICSRegular price $1,528.95 USDRegular price$1,681.85 USDSale price $1,528.95 USDSale -
FAST XFI Fuel Injector Y Adapter Harness for Multiple Injectors 301205
Part # 301205Vendor:FAST ELECTRONICSRegular price $150.95 USDRegular price$166.05 USDSale price $150.95 USDSale -
FAST XFI Fuel Inector Harness for Chrysler Modern 5.7L/6.1L/6.4L Hemi engines. 301208
Part # 301208Vendor:FAST ELECTRONICSRegular price $152.95 USDRegular price$168.25 USDSale price $152.95 USDSale -
FAST XFI Fuel Inector Harness for Ford Small Block FE and Big Block engines. 301204
Part # 301204Vendor:FAST ELECTRONICSRegular price $157.95 USDRegular price$173.75 USDSale price $157.95 USDSale -
FAST XFI Fuel Inector Harness for GM LS Series engines. 301209
Part # 301209Vendor:FAST ELECTRONICSRegular price $169.95 USDRegular price$186.95 USDSale price $169.95 USDSale -
FAST XFI Fuel Inector Harness for Ford Modular Series engines. 301203
Part # 301203Vendor:FAST ELECTRONICSRegular price $150.95 USDRegular price$166.05 USDSale price $150.95 USDSale -
FAST XFI Fuel Inector Harness for Buick V6 engines. 301206
Part # 301206Vendor:FAST ELECTRONICSRegular price $124.95 USDRegular price$137.45 USDSale price $124.95 USDSale -
FAST XFI Fuel Inector Harness for Ford Coyote Series engines. 301210
Part # 301210Vendor:FAST ELECTRONICSRegular price $181.95 USDRegular price$200.15 USDSale price $181.95 USDSale -
FAST XFI GM HEI Ignition Adapter Harness 301302
Part # 301302Vendor:FAST ELECTRONICSRegular price $49.95 USDRegular price$54.95 USDSale price $49.95 USDSale -
FAST XFI LT1 Ignition Adapter Harness 301304
Part # 301304Vendor:FAST ELECTRONICSRegular price $112.95 USDRegular price$124.25 USDSale price $112.95 USDSale -
FAST Analog Input Harness for XFI 301402
Part # 301402Vendor:FAST ELECTRONICSRegular price $55.95 USDRegular price$61.55 USDSale price $55.95 USDSale -
FAST VSS Harness 301403
Part # 301403Vendor:FAST ELECTRONICSRegular price $46.95 USDRegular price$51.65 USDSale price $46.95 USDSale -
FAST Harness Fast Fan And Fuel Pum P Kit 301406
Part # 301406Vendor:FAST ELECTRONICSRegular price $92.95 USDRegular price$102.25 USDSale price $92.95 USDSale -
FAST Oil/Fuel PSI Harness XFI 301407
Part # 301407Vendor:FAST ELECTRONICSRegular price $410.95 USDRegular price$452.05 USDSale price $410.95 USDSale -
FAST Pressure Harness and Sensor Kit for XFI 301408
Part # 301408Vendor:FAST ELECTRONICSRegular price $240.95 USDRegular price$265.05 USDSale price $240.95 USDSale -
FAST Single Sensor 200 PSI Harness XFI 301420
Part # 301420Vendor:FAST ELECTRONICSRegular price $201.95 USDRegular price$222.15 USDSale price $201.95 USDSale -
FAST Single Sensor 1500 PSI Harness XFI 301421
Part # 301421Vendor:FAST ELECTRONICSRegular price $234.95 USDRegular price$258.45 USDSale price $234.95 USDSale -
FAST XIM Wiring Harness for LS1/LS6 301972
Part # 301972Vendor:FAST ELECTRONICSRegular price $334.95 USDRegular price$368.45 USDSale price $334.95 USDSale