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Automotive Wiring Harnesses

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Automotive Wiring Harnesses

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24,...

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!

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Results 1 - 24 of 244

American Autowire Highway 22 Plus Wiring Harness Kits

American Autowire Highway 22 Plus wiring harness kits are pre-engineered for power! Developed to handle your most demanding power requirements, these Highway 22 Plus wiring harnesses packs the punch of a high-powered OEM system into a smaller, easy-to-install, and extremely compact front loading package. Plus, they pack the mounting flexibility for creative and custom electrical systems! Perfect for your street rod, custom, or kit car, American Autowire components used in this panel have extreme power handling capabilities with an easy clamp-style system to make adding and removing wires easy--no terminals, no crimping, and no screws! When you're down to the wire, the choice is easy--American Autowire! Highway 22 Plus kits feature: * Modular fuse panel for added flexibility in mounting * 175 amp Mega-Fuse protection * Self-locking, screw-down, vibration-proof connections * 40 amp fan or fuel pump relay * Headlight, dimmer, and ignition switches * Extra-long wire lengths for custom wire routing * Full-color schematics and instructions The full list of the Plus features are below *Each kit will now include a built-in LED flasher to support LED turn signals without the need to purchase an additional item. *We've added back up light feed and power wires to make the harness easier to install in a more modern vehicle. *The pre-installed 20 amp relay can now be easily changed to function as either a keyed 12 volt or ground triggered item. *We've improved our instructions to cite a wider range of examples and real-world scenarios. The panel labeling has also been updated along with the above physical changes, including wording modifications for enhanced clarity. *The wiper circuit has been upgraded to a 20 amp fuse to support all aftermarket wiper systems. This has been made an accessory circuit for more adaptability. *The AC/Heat fuse has also been moved to an accessory circuit to eliminate draw from the blower motor while the vehicle is being started. *All kits will feature our new high amp alternator and main power connection kit. This allows for the use of high amp alternators, and provides an even better level of fuse protection for the panel and charging system. This new connection kit utilizes 6 gauge wire and two 175 amp Megafuses. *Extra connectors and wiring have been added to more easily support a 4-headlight system without an additional add-on purchase. *Longer neutral safety wires for cars with console shifters.

4.9 out of 5 stars ( 10 )

$676.40

American Autowire Classic Update Series Wiring Harness Kits

American Autowire Classic Update Series wiring systems power up your classic ride! Modifying your vintage muscle with modern amenities is beyond the capabilities of OE wiring. These harness kits let you keep the retro looks and enjoy power accessories like air conditioning, windows, and fuel injection. The assemblies are year/make/model-specific for a professional fit and are offered in over 60 different kits. Updating your classic has never been easier! Classic Update Series details: * Longer length wire allows for stock or custom routing * ATO-style fuse panel and more circuits * Full color schematics and instructions * Ignition, headlight, and dimmer switches (most kits) * Upgraded 8-gauge wire for alternator, fuse link protection, gauge cluster options, and disconnect * Pre-wired fuse panel mounts in the stock location

4.7 out of 5 stars ( 557 )

$549.00

$2,564.05

American Autowire Power Plus 13 Wiring Harness Kits

American Autowire Power Plus 13 wiring harness kits offer pre-wired power with less work for you and your wallet! Power Plus 13 kits are complete integrated fuse box wiring systems with a time-saving, factory-style, pre-wired fuse box where each circuit is routed from there to their destination. With no disconnects or sub-harness assemblies, there's a direct run to switches, fuse panels, and end location, meaning less work for you! They're universal, streamlined, and economical. When you're down to the wire, the choice is easy--American Autowire! Power Plus 13 kits feature: * Pre-wired, ATO-style fuse panel for underdash mounting * Factory crimp terminations * Headlight and dimmer switches * Extra-long wire lengths for custom wire routing * Steering column connector and adapter * Full-color schematics and instructions

4.67 out of 5 stars ( 51 )

$397.80

American Autowire Builder 19 Wiring Harness Kits

American Autowire Builder 19 wiring harness kits offer big power in a small panel! Great for tight wiring spots in your kit car, roadster, or truck, these Builder 19 wiring harnesses incorporate a slim fuse panel with mounting pads and an attached fuse panel cover with an inner label, identifying all circuits by description and fuse rating. And all high-output circuits incorporate superior spring steel-reinforced terminals, making the Builder Series second to none in durability and reliability. When you're down to the wire, the choice is easy--American Autowire! Builder 19 kits features: * Slim, compact, pre-wired ATO-style fuse panel * Headlight, dimmer, and ignition switches * Extra-long wire lengths for custom wire routing * Steering column connector and adapter * Full color schematics and instructions

5.0 out of 5 stars ( 2 )

$622.25

Ron Francis Wiring GM Powered EXPRESS Wiring Systems

The impossible is possible with Ron Francis EXPRESS wiring systems! Built for your custom wiring applications, their GM powered EXPRESS systems deliver all of the connectors and wiring that you need for your complete car, including the starter, alternator, steering column, and even the cooling fan relay! Ron Francis EXPRESS systems utilize a polished stainless steel terminal block with high-temperature, fire-resistant, color-coded wiring and the highest quality terminals. And, with their clear, simple, color-coded instructions, the finished job is professional looking and clean, with less chance of problems. You'll be able to drive, pass inspection, and add accessories in the future. Wiring your ride is not impossible--it's a reality with Ron Francis GM powered EXPRESS wiring systems.

4.79 out of 5 stars ( 24 )

$633.03

$682.03

Summit Bucks

Z Automotive Jeep JL/JT Z-Locker OEM Controller Harnesses

The locker sensor in Wrangler JL and Gladiator Rubicons have started to become problematic. When they fail, it usually starts out as a blinking locker indicator on the dash, which then ends up in a "service axle locker" message and the lockers will no longer engage. The repair would normally be to replace the sensor or the locker assembly, but they are not available, so the entire axle assembly needs replaced. Developed in a partnership with Americas Most Wanted 4X4, Z Automotive Jeep JL/JT Z-Locker OEM controller harnesses provide a simple fix for faulty OEM axle locker. Each harness will bypass the problematic sensor, allowing the locker to operate without the position sensor and provide the proper feedback to the Jeep's computers to keep the system operational without any errors or warnings. You get fully functioning lockers with no side effects. Installation is simple and they will not harm the Jeep's computers as they use the same signaling that it expects from the sensor. The connectors are the same ones used by Jeep and are watertight.

5.0 out of 5 stars ( 29 )

$179.00

American Autowire Route 9 Universal Wiring Systems

American Autowire Route 9 universal wiring systems direct you down an easier road for electrical functionality. Route 9 systems are entry-level kits that provide a complete vehicle wiring solution in a compact, "bulletproof" package perfect for hot rods, rat rods, or any vehicle needing a basic, full-function electrical system. They include a compact, ATO-style fuse panel featuring battery, ignitions, and accessory power busses. Plus, all high-amperage output circuits incorporate the same superior spring steel-reinforced terminals used in their Highway Series wiring systems. American Autowire Route 9 universal wiring systems feature: * Fuse panel and wire connections labeled to identify all circuits by description and their respective fuse ratings. Circuit wiring uses superior insulation that is color-coded and printed at 3 in. intervals with a circuit description * Combination turn signal/hazard flasher mounted on the panel—supports LED lighting for front and rear directional lights, as well as dash turn signal indicator lights * Horn relay mounted inline on the harness * Steering column wiring—supports any user-specified turn signal switch * Instrument cluster wiring included for oil, water, fuel, voltmeter, and tachometer gauges, as well as wiring for directional and high-beam headlight indicators * Engine wiring includes feeds for the coil, oil pressure sender, water temperature sender, tachometer, starter, alternator, and distributor. Main power to the fuse panel and power output from the alternator are supplied through a heavy-gauge feed and fusible link protection * Extra-long wire lengths for custom wire routing * Front lighting includes extra-long leads that can be routed for stock or custom appearances of the headlight, parking light, and directional light leads. Dimmer switch wiring is identified. Headlight connectors and terminals are included * Rear body lighting accommodates turn signals, license light, and brake lights with long-length wires that allow for original or custom routing * Sender lead wires are provided for electric fuel tank sender units * Optional add-on kits are available (sold separately

4.75 out of 5 stars ( 8 )

$360.05

On Sale

Summit Racing™ Reproduction Wiring Harnesses

Summit Racing™ offers reproduction wiring harnesses for a wide selection of vehicles, particularly classic cars and trucks from the 1960s and '70s. These replacements and/or extensions are used to power a variety of applications—including horn, glove box, console, backup lights, engine; forward, hood, and courtesy lamps; fuel tank sender, and more. These OE style replacement harnesses are made of high-quality Automotive Grade Wire using factory style fuse blocks, plug ends, and wire colors to ensure factory type fit, performance, and durability. For repair or restoration, order the harness recommended for your specific car or truck. Note: These harnesses are factory replacements and do not include instructions or wiring diagrams refer to the factory diagrams and or service manuals for your specific vehicle.

4.44 out of 5 stars ( 52 )

$201.99


$13.99

$1,505.99

Ford Performance Parts 5.0L Coyote Auto Trans Engine Harnesses

Ford Performance Parts 5.0L Coyote auto trans engine wiring harnesses can easily power up your 2016-17 Coyote engine! Designed specifically for the late Gen II Coyote engines, these auto trans wiring harnesses allow your 5.0L Coyote engine to be used in conjunction with a 6R80 automatic transmission. The harnesses feature factory-style connectors for a quick plug-and-play installation—plus, Ford Performance pre-looms the harness for a factory fit and finish! Fitment Note: Only fits late-style coil-on-plugs built 2/24/16 and later. Also fits Ford Performance M-12029-M50E coil-on-plugs.

3.0 out of 5 stars ( 1 )

$282.99

American Autowire Severe-Duty Universal Wiring Kits

Equip your ride to conquer rugged terrain! American Autowire Severe-Duty universal wiring kits are powerful weatherproof electrical systems designed for use in harsh environments. They feature a compact, fully sealed 22-circuit fuse box with electronic flasher and 35 amp relay. The fuse box is protected by a sealed, manually resettable 200 amp circuit breaker for optimal dependability. The main and power harnesses come pre-terminated at one end in sealed connectors with tough, heat-resistant GXL wires. These systems will connect into most popular aftermarket gauges. Dimmer and headlight switches are provided with these kits. Connections and wiring include: * Turn signals * Headlights and taillights * Parking and brake lights * Gauges (tach, water temperature, oil pressure, speedometer) * Third brake light * License plate light * Basic engine functions and sensors * Horn * Coil * Electric choke * Transfer case warning lamp * Underhood lamp * Transmission kickdown

5.0 out of 5 stars ( 3 )

$916.75

Ron Francis Wiring GM Powered Bare Bonz Wiring Kits

GM powered Bare Bonz wiring kits from Ron Francis Wiring take care of the basics and more! When you only need the essentials for your hot rod or roadster, it still needs quality wiring, and Ron Francis Wiring Bare Bonz kits offer super quality for your basic application. These wiring kits supply eight fuses, 10-12 circuits, plenty of printed and color-coded, fire-resistant wire, plus easy-to-follow, color-coded instructions for minimal headaches while you do the job. Bare Bonz kits take care of your basic engine, dash and lighting, gauges, and some accessories, and they're compatible with EFI. Do a professional wiring job with the basic elements of GM powered Bare Bonz wiring kits from Ron Francis Wiring.

4.88 out of 5 stars ( 8 )

$529.15

On Sale

Holley EFI Unterminated Main Harnesses

Want to fully rewire your Holley EFI installation? Or perhaps you're starting a new build, and want to wire everything perfectly the first time. Holley EFI unterminated main harnesses come with both J1A and J1B connectors fully terminated—with 15 ft. of flying lead wiring to allow you to completely customize your main harness installation. Features include: * J1A and J1B terminated connectors * 60 crimped wires: (57 of 20-gauge wire, and three 18-gauge wire) * 15 ft. long flying lead harness * 30 optional plug seals

Not Yet Reviewed

$425.95


$382.95

Ron Francis Wiring Dodge/Chrysler Powered EXPRESS Wiring Systems

Ron Francis Wiring Dodge/Chrysler Powered EXPRESS wiring systems are built especially for your vehicle. They are one of the easiest ways to rewire an older car with upgrades and not intended for a total restoration but for the vehicle that you want to use and not have any problems. They include all the wiring and connectors necessary to pass most state inspections and connect all the toys you might want to add on. Ron Francis EXPRESS allows multiple battery feed connections to be made with a multi-connection battery junction block to reduce the number of wires going to the starter for all those add-ons in your custom Mopar powered application.

Not Yet Reviewed

$642.83

On Sale

Holley LS Extended-Length Main Engine Harnesses

Holley LS extended-length main engine harnesses are 22 in. longer than previous harnesses. Designed to fit most 24x and 58x LS engines from 1997-2012, they are a perfect fit for installers wanting to mount any Holley EFI ECU inside of the passenger compartment where it is away from the elements, and easy to access, such as on a roll bar or under the passenger seat. Notes: * Plug-and-play with Dominator, HP, Terminator X, and Terminator X Max ECUs * LS1/6 harness interfaces with 24x crank and 1x cam sensors * LS2/3/7 harness interfaces with 58x crank and 4x cam sensors

5.0 out of 5 stars ( 1 )

$672.95


$604.95

American Autowire Wiring Harness Add-On Kits

American Autowire offers wiring harness add-on kits for a variety of purposes and vehicle applications. The harnesses will help you power up additional body lights, console gauges, safety switches—you name it. Installing more accessories on your classic ride is an easy task with American Autowire wiring kits.

5.0 out of 5 stars ( 3 )

$19.00

$636.50

FuelTech FT450/550 A Unterminated Harnesses

FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech FT450/550 A unterminated harnesses are offered in 10 ft. and 20 ft. lengths for FT450/550 A connectors. Wire your project from scratch with the help of FuelTech's unterminated harnesses.

5.0 out of 5 stars ( 1 )

$119.00

$169.00

On Sale

Holley Terminator EFI HyperSpark Ignition Adapters

Holley Terminator EFI HyperSpark ignition adapters are designed to plug-and-play with HyperSpark distributors and Holley EFI main harnesses with an ignition connector. They enable you to run a "timed sequential" fuel strategy for faster responses and cleaner emissions. Complete the improvement of your driving experience with a Holley Terminator EFI HyperSpark ignition adapter.

5.0 out of 5 stars ( 1 )

$46.09


$41.48

Summit Racing Equipment® Wiring Harnesses

Summit Racing Equipment® offers wiring harnesses for a wide range of vehicles—including many Chevrolet, Pontiac, Oldsmobile, and American Motors models from the 1960s and '70s. The factory-style replacement harnesses are ideal for restoration and upgrade projects. They are available to connect and power up a variety of dashboard and accessory functions. Order the wiring harness recommended for your application.

5.0 out of 5 stars ( 2 )

$14.99

$643.99

On Sale

Holley EFI Tach Input Ignition Adapters

Holley EFI tachometer input ignition adapters are for applications using a CD Box, such as an MSD 6AL, while not using timing control. They're designed for use with Sniper 2 EFI systems and external ignition control boxes with tachometer signal output. Not for direct connection to coil.

Not Yet Reviewed

$28.01


$25.21

American Autowire Factory-Fit Wiring Harnesses

American Autowire Factory-Fit wiring harnesses are OE replacements and are manufactured according to the original General Motors specifications. Each part number is fully assembled, taped, and ready to install upon arrival. They are best suited for a restoration project with minimal to no modification from the factory specification. American Autowire Factory-Fit harnesses are offered for individual dash, engine, forward lamp, console, rear body, and more, but the best thing is you can purchase a wiring harness as you need it or can afford it, making them great for those on a budget. Plus, since they are OEM-styled the fit is perfect and the installation time is less.

4.59 out of 5 stars ( 27 )

$16.15

$898.70

American Autowire Classic Update RS Add-On Headlight Kits

American Autowire Classic Update kits are the most complete, vehicle-specific modified restoration harnesses engineered to provide plenty of room for customization, and they offer a selection of wiring accessories. American Autowire Classic Update RS add-on headlight kits provide the wiring harness with connections to the electric motors, limit switches, and relay panel located in the left front fender the Camaro Rally Sport. The kits also include the ignition and headlight switch diode jumper harness. Note: These add-on kits are not for use with an original wiring harness and should only be used with a Classic Update kit.

Not Yet Reviewed

$189.05

Summit Bucks

Z Automotive Jeep JL/JT Z-Locker Controller Harnesses

Z Automotive Jeep JL/JT Z-Locker controller harnesses are plug-and-play solutions to aftermarket locker integration using factory locker controls on Wrangler JL and Gladiator Rubicons. These simple adapters use watertight connectors, a potted design, and automotive-grade internal components to last in the harsh Jeep undercarriage environment. One end of each adapter plugs into the 4-pin factory harness, providing the required signals to keep the Rubicon locker control logic satisfied. The other end is a 2-pin connector which will output 12 V to engage your E-Locker or Air Locker solenoid. Z Automotive Jeep JL/JT Z-Locker controller harnesses retain the factory locker switches, dash messages, warnings, and will even set off the "service locker" message if your aftermarket locker is faulty or gets disconnected.

5.0 out of 5 stars ( 1 )

$179.00

Ron Francis Wiring Bare Bonz Wiring Systems

Get more giddy-up! Ron Francis Wiring Bare Bonz wiring systems are fully customized to match your application. The wiring panel features relays, fused circuits, plenty of color-coded and printed wires to complete the installation, and a full set of instructions. They include wiring and circuits to take care of your basic engine, dash, lighting, gauges, some accessories, and are built well enough to be compatible with electronic fuel injection. Get your Ron Francis Bare Bonz wiring system today.

4.5 out of 5 stars ( 2 )

$399.79

Holley EFI Pro-Billet Ignition Adapters

Holley EFI Pro-Billet ignition adapters allow for plug-and-play ignition timing control when utilizing an MSD Pro-Billet distributor and Holley EFI main harness with an ignition connector. The adapters are ideal for use with Terminator X electronic fuel injection.

5.0 out of 5 stars ( 3 )

$39.24

$39.49

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