Wiring Harnesses

Car Wiring Harness - Pro Series Truck - Customizable - 23 Circuit - Bulkhead Firewall Pass-Through - In Column Key - GM - Kit

Car Wiring Harness - Pro Series Truck - Customizable - 23 Circuit - Bulkhead Firewall Pass-Through - In Dash Key - GM - Kit

Car Wiring Harness - Pro Series Truck - Customizable - 25 Circuit - Bulkhead Firewall Pass-Through - In Column Key - GM - Kit

Car Wiring Harness - Pro Street - Complete - 21 Circuit - Switch Panel - Universal - Kit

Car Wiring Harness - Pro Street - Complete - 21 Circuit - Universal - Kit

Car Wiring Harness - ProComp - 12 Fuses - 10 Circuit - 11 Terminals - Ultra Small - Universal - Kit

Car Wiring Harness - ProComp - 15 Fuses - 24 Circuit - Switch Included - 118 Terminals - Ultra Small - Universal - Kit

Car Wiring Harness - ProComp - 6 Fuses - 10 Circuit - 69 Terminals - Ultra Small - Universal - Kit

Car Wiring Harness - ProComp - 8 Fuses - 10 Circuit - 49 Terminals - Ultra Small - Universal - Kit

Car Wiring Harness - Race Car Only - Complete - 10 Circuit - Switch Panel - Universal - Kit

Car Wiring Harness - Race Car Only - Complete - 10 Circuit - Universal - Kit

Car Wiring Harness - Route 9 - Complete - 9 Power Outlets - GM Color Code - Universal - Kit

Car Wiring Harness - Severe-Duty - Complete - 22 Power Outlets - GM Color Code - Universal - Kit

Charging System Harness - Fuse Block / Maxi Fuse / Wiring - Carbureted Engines - Kit

Coil Extension Harness - 46 in Long - GM LS-Series - Each

Coil Wire - Crane PS-91 / PS-92 Coils - Each

Connector Kit - Early TPS Sensor - Connectors - Terminals - Each

Dash Wiring Harness - Accessory Harness - Dash Cam - Fuses Included - Kit

Dash Wiring Harness - Pins / Plugs / Wires Included - Kit

Data Transfer Cable Adapter - 2 Pin Harness to CAN - Each

Digital Dash Wiring Harness - Input/Output Extender - Holley Digital Dash - Kit

EFI Wiring Harness - 5.0 L - Small Block Ford 1986-95 - Kit

EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit

EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each

EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - Kit

EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each

EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each

EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each

EFI Wiring Harness - EV6 Style Injectors - Holley 58X Crank Sensor EFI - Kit

EFI Wiring Harness - EV6 Style Injectors - Holley Dominator EFI - Each

EFI Wiring Harness - Extra Length - GM LS-Series 2003-06 - Kit

EFI Wiring Harness - Extra Length - GM LT-Series 1992-97 - Kit

EFI Wiring Harness - GM LS-Series 1998-2002 - Kit

EFI Wiring Harness - GM LS-Series 1999-2006 - Kit

EFI Wiring Harness - GM LT-Series 1992-97 - Kit

EFI Wiring Harness - GM TBI Injection 1986-93 - GM V6 / V8 - Kit

EFI Wiring Harness - GM TPI Injection 1985-89 - Small Block Chevy - Kit

EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each

EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each

EFI Wiring Harness - Ignition Adapter Harness - HyperSpark Distributors to Holley EFI - Each

EFI Wiring Harness - Ignition Adapter Harness - MSD Distributors to Holley EFI - Each

EFI Wiring Harness - Ignition Coil Wiring - Holley HP / Dominator EFI - Mopar Gen III Hemi - Each

EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each

EFI Wiring Harness - Input / Output Harness - Holley Sniper EFI - Each

EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each

EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit

EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit

EFI Wiring Harness - J2B Plug to Dominator ECU Module - Universal - Each

EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each

EFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - Each

EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - Kit

EFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - Each

EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each

EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each

EFI Wiring Harness - Main Power - Holley Dominator EFI - Each

EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each

EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each

EFI Wiring Harness - Sniper 2 EFI - Input / Output Harness - Holley Sniper 2 EFI - Each

EFI Wiring Harness - Terminated Main Harness - Ford Coyote 2011-17 - Kit

EFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit

EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each

EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI / HP EFI / Dominator EFI - Various GM Applications - Each

EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each

EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit

Electronic Locker Wiring Harness - Fuse / Relay / Switch - Eaton Lockers - Kit

Engine Control Harness - A-Harness - 10 ft - FT450 / FT550 ECU - Each

Engine Control Harness - A-Harness - 20 ft - FT450 / FT550 ECU - Each

Engine Control Harness - B-Harness - 10 ft - FT550 ECU - Each

Engine Control Harness - B-Harness - 20 ft - FT550 ECU - Each

Engine Control Harness - Blank Harness - 10 ft - FT600 ECU - Each

Engine Control Harness - Blank Harness - 20 ft - FT600 ECU - Each

Engine Control Harness - C / D-Harness - 10 ft - FT700 ECU - Each

Engine Control Harness - Complete Engine Harness - FT550 ECU to Ford V8 - Each

Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Chrysler V8 - Each

Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Mopar V8 - Each

Engine Control Harness - Complete Engine Harness - FT600 ECU to Ford V8 - Each

Engine Control Harness - Complete Engine Harness - PRO600 Gen III ECU to GM / Chrysler V8 - Each

Engine Control Harness - Terminated - FT450 / FT550 Datalogging - Each

Engine Harness - Terminated - FuelTech FT550 to GM LS-Series Engine - Each

Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - Kit

Engine Wiring Harness - Elite - Main Harness - Drive-By-Cable - Terminated - GM LS-Series - Kit

Engine Wiring Harness - Elite - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - Kit

Engine Wiring Harness - Elite - Main Harness - Terminated - GM V8 / Ford V8 / Mopar Early Hemi - Kit

Engine Wiring Harness - Elite - Retrofit - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - Kit

Engine Wiring Harness - Plug-and-Play - Small Block Ford - Each

Engine Wiring Harness - Stand Alone - iC-7 Display Dash Harness - Non-EFI - Semi Terminated - Kit

Extension Cable - 4 Pin - 6 ft Long - Rubber - Black - Each

Extension Cable - ColorShift - 4 Pin - 6 ft Long - Rubber - Black - Each

Fan and Fuel Pump Harness - F.A.S.T XFi / XFI 2.0 - Universal - Each

Fog Light Harness - LED Conversion - Pair

Fuel Injector Adapter - EV6 / USCAR Connector to EV1 / Minitmer Connector - Set of 8

Fuel Injector Harness - Adapter - USCAR EV6 / Stock to Bosch Jetronic / Minitimer - Each

Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit

Fuel Injector Harness Adapter - EV1 to USCAR EV6 - Set of 8

Fuel Injector Harness Adapter - Mini Delphi Multec 2 to USCAR EV6 - Set of 8

Fuel Injector Harness Adapter - USCAR EV6 to Jetronic EV1 - Set of 8

Fuel Pump Wiring Harness - E85 Compatible - Walbro Fuel Pumps - Each

Fuel Pump Wiring Harness - F.A.S.T XFi - Small Block Ford - Fuel Pumps - Each

Fuel Pump Wiring Harness - Walbro Fuel Pumps - Each

Gauge Harness - Air / Fuel Mixture Gauge to Bosch LSU4.2 O2 Sensor - 6.5 ft Long - Nano / Nanopro LSU4.2 Gauge - Each