Wiring Harnesses
- Air Conditioning WIring Harness
- Blower Motor Harness
- Brake
- Dash Wiring Harnesses
- Engine Wiring Harnesses
- Fuel Injector Harnesses
- Fuel Pump Harness
- Full Wiring Harness
- Full Wiring Harness - Application Specific
- Full Wiring Harness - Universal
- Gauge Wiring Harnesses
- Headlight
- Ignition Wiring Harnesses
- Power Top Harness
- Steering Column Wiring Harnesses
- Transmission Wiring Harnesses
- Winch Wiring Harness
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Can Extension Harness 12ft (HLY558-426)
HOLLEY
$72.51CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each$72.51 -
CAN Extension Harness 8ft Length (HLY558-425)
HOLLEY
$60.41CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each$60.41 -
Wire Harness Kit - EFI Terminator I/O (HLY558-420)
HOLLEY
$48.32EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each$48.32 -
Map Sensor Adapter LS1 & LS2 to LS3 (HLY558-416)
HOLLEY
$36.89Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each$36.89 -
Drive By Wire Harness GM (HLY558-406)
HOLLEY
$227.95EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each$227.95 -
Trans Wiring Harness GM 4L60/80E (HLY558-405)
HOLLEY
$278.95EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each$278.95 -
J4 Connector & Harness (HLY558-404)
HOLLEY
$206.95EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each$206.95 -
J3 Connector & Harness (HLY558-403)
HOLLEY
$161.95Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each$161.95 -
J2B Auxiliary Harness Kit (HLY558-402)
HOLLEY
$161.95EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit$161.95 -
Auxiliary Harness J2A Connector (HLY558-401)
HOLLEY
$210.95EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit$210.95 -
J1A/B Input/Output Connector (HLY558-400)
HOLLEY
$110.95EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each$110.95 -
Wiring Harness Adapter Hyperspark Ignition (HLY558-323)
HOLLEY
$42.28EFI Wiring Harness - Ignition Adapter Harness - HyperSpark Distributors to Holley EFI - Each$42.28 -
GM LS Coil Sub Harnesses (HLY558-321)
HOLLEY
$179.95Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Kit$179.95 -
Coil-Near-Plug Sub Harness - Big Wire (HLY558-318)
HOLLEY
$247.95Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each$247.95 -
Out of stock
HP EFI Sub-Harnesses - Smart Coil (HLY558-312)
HOLLEY
$241.95EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each$241.95 -
EFI Main Power Harness (HLY558-308)
HOLLEY
$90.75EFI Wiring Harness - Main Power - Holley Dominator EFI - Each$90.75 -
LS Coil On Plug Harness Universal (HLY558-307)
HOLLEY
$172.95Ignition Wiring Harness - Coil-On-Plug to Sub Harness - Holley HP / Dominator EFI - Each$172.95 -
Ford TFI Ignition Harness (HLY558-305)
HOLLEY
$115.95EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each$115.95 -
HEI Ignition Harness (HLY558-304)
HOLLEY
$54.35EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each$54.35 -
Injector Harness Ford w/ Jetronic Injectors (HLY558-213)
HOLLEY
$181.95EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each$181.95 -
Injector Harness - Ford USCAR/EV6 Style Injector (HLY558-212)
HOLLEY
$172.95EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each$172.95 -
Injector Harness - 16 Injectors - Unterminated (HLY558-207)
HOLLEY
$279.95EFI Wiring Harness - EV6 Style Injectors - Holley HP / Dominator EFI - Each$279.95 -
EFI Injector Harness - Universal Unterminated (HLY558-204)
HOLLEY
$207.95Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit$207.95 -
Injector Wiring Harness V8 EV6 Style Injectors (HLY558-201)
HOLLEY
$158.95EFI Wiring Harness - EV6 Style Injectors - Holley Dominator EFI - Each$158.95 -
Injector Wiring Harness V8 Bosch Style Injectors (HLY558-200)
HOLLEY
$179.95EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each$179.95 -
Sub-Harness Mopar Gen-3 Hemi VVT & SRV (HLY558-132)
HOLLEY
$150.95EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each$150.95 -
Bench-Top EFI Test Harness (HLY558-127)
HOLLEY
$212.95Wiring Harness - Bench Top Test - Holley EFI - Each$212.95 -
Flying Lead Main Harness (HLY558-126)
HOLLEY
$390.95Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit$390.95 -
Ford MPFI Coil On Plug Main Harness (HLY558-118)
HOLLEY
$596.95Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each$596.95 -
Universal MPFI Coil On Plug Main Harness (HLY558-117)
HOLLEY
$563.95Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each$563.95 -
Main Harness - Univesal Un-Terminated (HLY558-105)
HOLLEY
$485.95EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit$485.95 -
Main Harness - Universal MPFI (HLY558-104)
HOLLEY
$485.95EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each$485.95 -
Main Wiring Harness LS2 & LS3 (HLY558-103)
HOLLEY
$580.95EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each$580.95 -
Main Wiring Harness LS1 & LS6 (HLY558-102)
HOLLEY
$580.95EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each$580.95 -
EFI Gauge Module Anolog Style Can Gauges (HLY554-130)
HOLLEY
$137.95Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Kit$137.95 -
Wire Harness for Cam Position Sensor (GMP12627501)
CHEVROLET PERFORMANCE
$38.99Cam Sensor Harness - LS2 - GM LS-Series - Each$38.99 -
LS Ignition Coil Harness (GMP12579355)
CHEVROLET PERFORMANCE
$156.99Ignition Wiring Harness - Ignition to Coil Pack - GM LS-Series - Each$156.99 -
4-Pin Wire Harness - Distributor to MSD Box (FST6000-6719)
FAST ELECTRONICS
$27.95Ignition Wiring Harness - 48 in Long - Crane 4 Pin Ignition - MSD Car Side Harness - Each$27.95 -
4-Pin Wire Harness - Distributor to Crane Box (FST6000-6717)
FAST ELECTRONICS
$31.95Ignition Wiring Harness - 48 in Long - Crane 4 Pin Ignition - CSR Side Harness - Each$31.95 -
Wire Harness - Two Pin Battery (FST6000-6716)
FAST ELECTRONICS
$22.95Ignition Wiring Harness - 36 in Long - Crane 2 Pin Ignition - Each$22.95