Wiring Harnesses
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Radium Engineering Porsche 17in Fuel Pump Connector Harne...
$35.64
Radium Engineering Porsche 17in Fuel Pump Connector Harness - Walbro E85
NAMZ 1999 Harley D Touring OEM Replacement Complete Ignit...
$174.68
NAMZ 1999 Harley D Touring OEM Replacement Complete Ignition Harness Plug-N-Play (HD 32435-99)
NAMZ 00-01 Harley D Touring w/Crank Pos Sensor ONLY OEM I...
$153.67
NAMZ 00-01 Harley D Touring w/Crank Pos Sensor ONLY OEM Ignition Harness Plug-N-Play (HD 32435-01)
NAMZ 2000 Harley D Ultra w/CAM & Crank Pos Sensor OEM Ign...
$153.67
NAMZ 2000 Harley D Ultra w/CAM & Crank Pos Sensor OEM Ignition Harness Plug-N-Play (HD 32435-00)
NAMZ 2019 V-Twin Ver-1 Complete Bike Harness w/Starter Re...
$279.71
NAMZ Complete Bike Harness fuse block holds a full size, commonly available and replaceable starter relay and three ATO fuses.
Kooks 18+ Ford Mustang 8in. Front O2 Extension Harness
$50.59
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete...
NAMZ Indian Trailer Isolator 19-25 Indian Touring Models ...
$136.65
NAMZ Indian Trailer Isolator 19-25 Indian Touring Models Center Taillight
NAMZ 2025 Indian Challenger Complete Handlebar Control Re...
$121.63
Complete handlebar control replacement harness, fits 2025-current Indian Challenger® and Pursuit® models. Replaces the OEM harness and is 12" longer for any size handlebar.
Haltech Elite 1000 Terminated Harness
$1,169.00
Elite 1000/1500 Mazda 13B S4/5 Term Harn Only IGN-1A ign
Fleece Performance 20-24 GM 3.0L LM2/LZ0 Duramax Injector...
$66.69
Fleece Performance 20-24 GM 3.0L LM2/LZ0 Duramax Injector Harness Pigtail
Fleece Performance 20-24 Ford F-250/F-350 6.7L Powerstrok...
$56.69
Fleece Performance 20-24 Ford F-250/F-350 6.7L Powerstroke Exhaust Back Pressure Sensor Pigtail
Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Rail P...
$96.70
Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Rail Pressure Sensor Harness
Fleece Performance 07.5-18 Dodge 2500-3500 6.7L Cummins M...
$56.69
Fleece Performance 07.5-18 Dodge 2500-3500 6.7L Cummins MAP Sensor Pigtail
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 ...
$205.74
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 Pin (Gray) ECM Connector Repair Kit
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 ...
$205.74
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 Pin (Brown) ECM Connector Repair Kit
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 ...
$205.74
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 Pin (Blue) ECM Connector Repair Kit
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 ...
$205.74
Fleece Performance 13-24 Dodge 2500-5500 6.7L Cummins 96 Pin (Green) ECM Connector Repair Kit
Tazer 05-17 FCA (Stellantis) Vehicles OBDII T-Harness
$45.64
Tazer 05-17 FCA (Stellantis) Vehicles OBDII T-Harness
Fleece Performance 06-07 Dodge 2500-3500 Cummins Neutral ...
$56.69
Replacement 48RE neutral safety switch connector with 6" pigtail for use on the 2006-2007 5.9L Cummins. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to...
Torque Solution MAP Sensor Adapter Harness: Nissan GT-R R35
$44.46
Torque Solution MAP Sensor Adapter Harness: Nissan GT-R R35
Mishimoto 1994-1997 Ford 7.3L Powerstroke Glow Plug Harne...
$181.68
Glow plug harness failure is quite common for high mileage 7.3L and 6.0L Powerstroke models. Although many owners will find this harness damaged while performing other engine maintenance, sometimes a...
Haltech NEXUS Universal Plug-in IO Expansion Harness - 2....
$126.71
Haltech NEXUS Universal Plug-in IO Expansion Harness - 2.5m (8ft)
Haltech NEXUS Rebel LS MAP Sensor Adaptor Harness
$40.69
Haltech NEXUS Rebel LS MAP Sensor Adaptor Harness
Rywire K-Series Naturally Aspirated w/Haltech ELITE 1500+...
$1,766.16
Rywire K-Series Naturally Aspirated w/Haltech ELITE 1500+ Engine Harness (w/4 Inj / No EMAP/Boost)
Kuryakyn Trailer Wiring Kit 18-20 GL1800 4 Wire
$266.74
Provides standard 4-wire output (run, left turn/brake, right turn/brake, ground), includes flat-4 connector.This Part Fits: Year Make Model Submodel 2018-2021,2024 Honda GL1800 Gold Wing Base 2025 Honda GL1800 Gold Wing...
HKS / Blitz / Apexi / Stri 89-98 240sx / 84-89 300ZX TT H...
$36.69
HKS / Blitz / Apexi / Stri 89-98 240sx / 84-89 300ZX TT Harness
Haltech NEXUS S2/S3 Plug-n-Play Adapter Harness
$511.82
Haltech NEXUS S2/S3 Plug-n-Play Adapter Harness
Fleece Performance 17-22 GM 2500/3500 L5P Duramax Sensor ...
$54.68
Replacement connector with 4.5" pigtail for use in multiple locations on the L5P Duramax and other GM vehicles. Replaces OEM Connector 13343443 Replaces AC Delco Connector 13384371 Application Notes 2017-2022...
HKS / Blitz / Apexi / Stri 03-09 Evo 8/9/10 / 95-99 Eclip...
$36.69
HKS / Blitz / Apexi / Stri 03-09 Evo 8/9/10 / 95-99 Eclipse (MT-6) TT Harness
Kuryakyn Turn Signal Regulator 6-Pin Molex
$91.69
Eliminate nonfunctioning, erratic or rapid/hyper flash situations when swapping stock incandescent turn signals with low-draw L.E.D. bulbs or turn signals. This all-new design produces virtually no heat unlike traditional designs.This...
Kuryakyn LED Flash Relay With Male Spade
$41.68
Works with LED replacement bulbs, custom LED turn signals, or incandescent bulbs
HKS / Blitz / Apexi / Stri 84-88 200sx TT Harness
$36.69
HKS / Blitz / Apexi / Stri 84-88 200sx TT Harness
BLOX Racing Honda OBD2A - OBD1 ECU Jumper Harness
BLOX Racing Honda OBD2A - OBD1 ECU Jumper Harness
Westin 19-25 Chevy/GM Silverado/Sierra 1500 Parking Senso...
$71.70
Westin's Parking Sensor Harness Extension is an essential accessory for vehicles equipped with grille guards. This extension ensures that parking sensors, which may be obstructed or relocated by the installation...
Ford Racing 5.0L Coyote Engine Harness for Automatic Tran...
$301.76
Fits late, Gen 2 (2016-2017 MY) 5.0L Coyote Engines. This engine harness is used with automatic transmission vehicles. Allows the engine to be used in conjunction with an automatic transmission....
Haltech Elite 2000/2500 Plug-n-Play Adaptor Harness
$476.81
Elite 2000/2500 PnP Ada Harn Only - Nissan Skyline R34 GTT
Rywire Honda K24 Tucked Eng Harn w/02-04 K24 Crank/Knock ...
$741.90
Rywire Honda K24 Tucked Eng Harn w/02-04 K24 Crank/Knock Sensor (Front VSS Position)
Rywire 92-95 Honda Civic w/B-Series / 94-01 Acura Integra...
$615.87
Rywire 92-95 Honda Civic w/B-Series / 94-01 Acura Integra (LHD Only) OEM Replacement Engine Harness
Upgrade your ride with premium electrical wiring from Bull Strap. This collection of wiring harnesses is engineered for clean and reliable electrical connections. Every product in our Wiring Harnesses lineup has been selected to deliver uncompromising quality and performance.
At Bull Strap, we understand that your vehicle is more than just transportation — it's a reflection of your lifestyle. That's why we stock only the best electrical wiring, sourced from industry-leading manufacturers known for durability and precision engineering. Whether you're building a daily driver or a weekend trail rig, you'll find exactly what you need.
Browse our full selection below and find the perfect fit for your build. Bull Strap offers fast shipping, expert support, and competitive pricing on every order. Have questions? Our team is here to help you choose the right parts for your vehicle.