Wiring Harnesses
Choose wiring harnesses for the specific component, control system and application. Check connector types, wire lengths and electrical requirements, and confirm whether relays, switches or adapters are included.
Related categories: Wiring Components · Wiring Connectors · Ignitions and Electrical
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![Universal MPFI Coil On Plug Main Harness Ignition Wiring Harnesses Holley EFI]()
![Universal MPFI Coil On Plug Main Harness Ignition Wiring Harnesses Holley EFI]()
Vendor:Holley EFIUniversal MPFI Coil On Plug Main Harness- Regular price
- £698.82
- Regular price
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£698.82 - Sale price
- £698.82
- Unit price
- per
Universal MPFI Coil On Plug Main HarnessIgnition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each -
![Ford MPFI Coil On Plug Main Harness Ignition Wiring Harnesses Holley EFI]()
![Ford MPFI Coil On Plug Main Harness Ignition Wiring Harnesses Holley EFI]()
Vendor:Holley EFIFord MPFI Coil On Plug Main Harness- Regular price
- £757.06
- Regular price
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£757.06 - Sale price
- £757.06
- Unit price
- per
Ford MPFI Coil On Plug Main HarnessIgnition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each -
![HEI Ignition Harness Ignition Wiring Harnesses Holley EFI]()
![HEI Ignition Harness Ignition Wiring Harnesses Holley EFI]()
Vendor:Holley EFIHEI Ignition Harness- Regular price
- £70.77
- Regular price
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£70.77 - Sale price
- £70.77
- Unit price
- per
HEI Ignition HarnessEFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each -
Vendor:Holley EFIAdp. Harness Sniper EFI to EFI Dual Sync Distr.
- Regular price
- £50.36
- Regular price
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£50.36 - Sale price
- £50.36
- Unit price
- per
Adp. Harness Sniper EFI to EFI Dual Sync Distr.Ignition Wiring Harness - Plug-N-Play - Sniper EFI to Holley EFI Dual Sync Distributor - Each -
![Crank/Cam Ignition Harness Engine Wiring Harnesses Holley EFI]()
![Crank/Cam Ignition Harness Engine Wiring Harnesses Holley EFI]()
Vendor:Holley EFICrank/Cam Ignition Harness- Regular price
- £116.42
- Regular price
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£116.42 - Sale price
- £116.42
- Unit price
- per
Crank/Cam Ignition HarnessEFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - Kit -
Vendor:HolleyHemi Coil Harness Late TYCO
- Regular price
- £226.67
- Regular price
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£226.67 - Sale price
- £226.67
- Unit price
- per
Hemi Coil Harness Late TYCOEFI Wiring Harness - Ignition Coil Wiring - Holley HP / Dominator EFI - Mopar Gen III Hemi - Each -
Vendor:HolleyInjector Harness V8 Evenly Spaced USCAR
- Regular price
- £226.67
- Regular price
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£226.67 - Sale price
- £226.67
- Unit price
- per
Injector Harness V8 Evenly Spaced USCARFuel Injector Harness - Adapter - USCAR EV6 / Stock to Bosch Jetronic / Minitimer - Each -
Vendor:HolleyMain Wire Harness Hemi Late W/ TPS & IAC
- Regular price
- £926.45
- Regular price
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£926.45 - Sale price
- £926.45
- Unit price
- per
Main Wire Harness Hemi Late W/ TPS & IACEngine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - Kit -
Vendor:HolleyMain Harness 99-04 Ford Modular Engine
- Regular price
- £926.45
- Regular price
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£926.45 - Sale price
- £926.45
- Unit price
- per
Main Harness 99-04 Ford Modular EngineEFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit -
Vendor:HolleyTrans Wire Harness Ford AODE/4R70W 92-97
- Regular price
- £340.03
- Regular price
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£340.03 - Sale price
- £340.03
- Unit price
- per
Trans Wire Harness Ford AODE/4R70W 92-97Transmission Wiring Harness - Plug and Play - AODE / 4R70W - Each -
Vendor:HolleySniper-2 tp Sniper-1 Adapter Wire Harness
- Regular price
- £58.65
- Regular price
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£58.65 - Sale price
- £58.65
- Unit price
- per
Sniper-2 tp Sniper-1 Adapter Wire HarnessWiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - Each -
Vendor:HolleyTremec TKX/TKO Trans Wire Harness Term-X Max
- Regular price
- £264.82
- Regular price
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£264.82 - Sale price
- £264.82
- Unit price
- per
Tremec TKX/TKO Trans Wire Harness Term-X MaxTransmission Wiring Harness - Tremec TKK / TKO to Terminator X Max ECU - Each -
![Sniper 2 I/O Harness Engine Wiring Harnesses Holley]()
![Sniper 2 I/O Harness Engine Wiring Harnesses Holley]()
Vendor:HolleySniper 2 I/O Harness- Regular price
- £46.90
- Regular price
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£46.90 - Sale price
- £46.90
- Unit price
- per
Sniper 2 I/O HarnessEFI Wiring Harness - Sniper 2 EFI - Input / Output Harness - Holley Sniper 2 EFI - Each -
Vendor:HolleySniper 2 Main Harness w/Fuel Pump Relay
- Regular price
- £221.22
- Regular price
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£221.22 - Sale price
- £221.22
- Unit price
- per
Sniper 2 Main Harness w/Fuel Pump RelayEFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - Each -
Vendor:HolleySniper 2 Main Harness For PDM
- Regular price
- £152.98
- Regular price
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£152.98 - Sale price
- £152.98
- Unit price
- per
Sniper 2 Main Harness For PDMEFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - Each -
Vendor:HolleyT-56 Magnum Transmission Harness
- Regular price
- £264.82
- Regular price
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£264.82 - Sale price
- £264.82
- Unit price
- per
T-56 Magnum Transmission HarnessTransmission Wiring Harness - Terminator X ECU - Reverse Lockout - T-56 Magnum - Each -
![Harness Injector Driver Module Fuel Injector Harnesses Holley]()
![Harness Injector Driver Module Fuel Injector Harnesses Holley]()
Vendor:HolleyHarness Injector Driver Module- Regular price
- £361.83
- Regular price
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£361.83 - Sale price
- £361.83
- Unit price
- per
Harness Injector Driver ModuleEFI Wiring Harness - J2B Plug to Dominator ECU Module - Universal - Each -
![FAST 59-74 Ford V8 PS 20 Coil Ignition Module Kit XR-i Wiring Harnesses FAST]()
Vendor:FASTFAST 59-74 Ford V8 PS 20 Coil Ignition Module Kit XR-i- Regular price
- £161.17
- Regular price
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- Sale price
- £161.17
- Unit price
- per
Tired of setting your points, or hitting that magical point at higher RPM where they seem to float, costing you power and performance? It?s time to pull out those ancient contacts and benefit from ... -
![FAST Distributor Module Wiring Harnesses FAST]()
Vendor:FASTFAST Distributor Module- Regular price
- £114.63
- Regular price
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- Sale price
- £114.63
- Unit price
- per
FAST Dual-Sync Distributors are an easy, drop-in, plug-and-play solution for fully sequential high performance V8 EFI engine applications. Featuring reluctors and pick-ups that have been properly a... -
![FAST Wiring Harness FAST IPU Wiring Harnesses FAST]()
Vendor:FASTFAST Wiring Harness FAST IPU- Regular price
- £47.89
- Regular price
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- Sale price
- £47.89
- Unit price
- per
FAST's IPU Adapter kit contains the harness needed to adapt to an Inductive Pickup (IPU)/Magnetic ignition device such as a crank trigger or IPU 2 Wire distributor.CatalogUser 1 -
![Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail Wiring Harnesses Fleece Performance]()
Vendor:Fleece PerformanceFleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail- Regular price
- £85.98
- Regular price
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- Sale price
- £85.98
- Unit price
- per
Replacement NSBU connector and 6" pigtail for 2004.5-2005 GM trucks equipped with Allison Transmission. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process in... -
![Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails Wiring Harnesses Fleece Performance]()
Vendor:Fleece PerformanceFleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails- Regular price
- £98.27
- Regular price
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- Sale price
- £98.27
- Unit price
- per
Replacement NSBU connector set with 6" pigtail for 2001-2004 GM trucks equipped with Allison Transmission. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process... -
![Fleece Performance 20-22 Ford 6.7L Powerstroke Charging Circuit Harness Wiring Harnesses Fleece Performance]()
Vendor:Fleece PerformanceFleece Performance 20-22 Ford 6.7L Powerstroke Charging Circuit Harness- Regular price
- £167.06
- Regular price
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- Sale price
- £167.06
- Unit price
- per
The Fleece Performance Charging Circuit Harness for the 2020-2022 Ford 6.7L Power Stroke is a drop-in replacement with no cutting or splicing to fix the common problem of an intermittent or continu... -
![Fleece Performance 11-16 GM 2500/3500 LML Duramax MAF Sensor Pigtail Wiring Harnesses Fleece Performance]()
Vendor:Fleece PerformanceFleece Performance 11-16 GM 2500/3500 LML Duramax MAF Sensor Pigtail- Regular price
- £36.84
- Regular price
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- Sale price
- £36.84
- Unit price
- per
Replacement connector with 6" pigtail for use on the 2011-2016 6.6L Duramax MAF sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to e...
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