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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Diode Dynamics - Light Duty Dual Output 3-way 4-pin Wiring Harness DD4092
Part # DD4092Vendor:DIODE DYNAMICSRegular price $39.95 USDRegular price$43.95 USDSale price $39.95 USDSale -
Diode Dynamics - DD4045 - Heavy Duty Dual Output Light Bar Wiring Harness
Part # DD4045Vendor:DIODE DYNAMICSRegular price $49.95 USDRegular price$54.95 USDSale price $49.95 USDSale -
Diode Dynamics - DD4033 - Light Duty Dual Output Light Bar Wiring Harness
Part # DD4033Vendor:DIODE DYNAMICSRegular price $29.95 USDRegular price$32.95 USDSale price $29.95 USDSale -
Diode Dynamics - DD4031 - Heavy Duty Single Output Light Bar Wiring Harness
Part # DD4031Vendor:DIODE DYNAMICSRegular price $39.95 USDRegular price$43.95 USDSale price $39.95 USDSale -
AEM CD Dash OBDII CAN Plug & Play Adapter Harness 30-2217
Part # 30-2217Vendor:AEM ELECTRONICSRegular price $40.28 USDRegular price$45.32 USDSale price $40.28 USDSale -
AEM CD Dash Holley EFI PNP PNP Adapter Harness 30-2214
Part # 30-2214Vendor:AEM ELECTRONICSRegular price $40.28 USDRegular price$45.32 USDSale price $40.28 USDSale -
AEM Wiring Harness for V2 Controller with Multi Input 30-3324
Part # 30-3324Vendor:AEM ELECTRONICSRegular price $54.45 USDRegular price$61.95 USDSale price $54.45 USDSale -
AEM CD-5/7 Carbon Digital Dash Plug & Play Adapter Harness for MSD Atomic TBI 30-2213
Part # 30-2213Vendor:AEM ELECTRONICSRegular price $54.45 USDRegular price$61.95 USDSale price $54.45 USDSale -
KC HiLiTES Wiring Harness with 40 Amp Relay and LED Rocker Switch 6315
Part # KC-6315Vendor:KC HILITESRegular price $59.99 USDRegular price$65.99 USDSale price $59.99 USDSale -
KC HiLiTES Wiring Harness for Two Backup Lights with 2-Pin Deutsch Connectors 63091
Part # KC-63091Vendor:KC HILITESRegular price $69.49 USDRegular price$76.44 USDSale price $69.49 USDSale -
KC HiLiTES Cyclone LED - Universal Wiring Harness for 2 Lights 63082
Part # KC-63082Vendor:KC HILITESRegular price $75.00 USDRegular price$82.50 USDSale price $75.00 USDSale -
KC HiLiTES Wiring Harness - for 2 Lights with 2-Pin Deutsch Connectors 6308
Part # KC-6308Vendor:KC HILITESRegular price $48.99 USDRegular price$53.89 USDSale price $48.99 USDSale -
KC HiLiTES Add-On Wiring Harness - Add 1-2 Lights 6316
Part # KC-6316Vendor:KC HILITESRegular price $59.99 USDRegular price$65.99 USDSale price $59.99 USDSale -
Diode Dynamics - DD4076 - Plug-and-Play DRL Headlight Harness for 2016-2019 Toyota Tacoma
Part # DD4076Vendor:DIODE DYNAMICSRegular price $19.95 USDRegular price$21.95 USDSale price $19.95 USDSale -
Diode Dynamics - Heavy Duty Dual Output 3-way 4-pin Wiring Harness DD4093
Part # DD4093Vendor:DIODE DYNAMICSRegular price $59.95 USDRegular price$65.95 USDSale price $59.95 USDSale -
Diode Dynamics Switchback Solid-State Relay Harness (pair) DD3067
Part # DD3067Vendor:DIODE DYNAMICSRegular price $49.95 USDRegular price$54.95 USDSale price $49.95 USDSale -
Diode Dynamics - DD3041 - Solid-State Relay Harness
Part # DD3041Vendor:DIODE DYNAMICSRegular price $29.95 USDRegular price$32.95 USDSale price $29.95 USDSale -
Diode Dynamics - DD4051 - DRL Harness for 2015-2021 Ford Mustang Sequential LED Turn Signal (pair)
Part # DD4051Vendor:DIODE DYNAMICSRegular price $39.95 USDRegular price$43.95 USDSale price $39.95 USDSale -
Pro Comp Suspension Light Wiring Harness With Switch And Relay 76400
Part # PROCOMP-76400Vendor:PRO COMP SUSPENSIONRegular price $40.00 USDRegular price$58.00 USDSale price $40.00 USDSale -
Pop & Lock TOYOTA TUNDRA HEAVY DUTY POWER TAILGATE LOCK W/ PLUG & PLAY T-HARNESS PL9547TUN
Part # POP-PL9547TUNVendor:POP & LOCKRegular price $19.97 USDRegular price$30.97 USDSale price $19.97 USDSale -
Pop & Lock TOYOTA TACOMA PLUG & PLAY T-HARNESS PL9547TAC
Part # POP-PL9547TACVendor:POP & LOCKRegular price $19.97 USDRegular price$30.97 USDSale price $19.97 USDSale -
Pop & Lock TOYOTA TUNDRA HEAVY DUTY POWER TAILGATE LOCK W/ PLUG & PLAY T-HARNESS PL8547TUN
Part # POP-PL8547TUNVendor:POP & LOCKRegular price $140.97 USDRegular price$164.07 USDSale price $140.97 USDSale -
Pop & Lock TOYOTA TACOMA HEAVY DUTY POWER TAILGATE LOCK W/ PLUG & PLAY T-HARNESS PL8547TAC
Part # POP-PL8547TACVendor:POP & LOCKRegular price $140.97 USDRegular price$164.07 USDSale price $140.97 USDSale -
Granatelli MAF Jumper Harness 500096
Part # GRANATELLI-500096Vendor:GRANATELLI MOTORSPORTSRegular price $323.95 USDRegular price$365.35 USDSale price $323.95 USDSale

