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MSD Universal Wiring Harnesses

MSD offers universal wiring harnesses to simplify the installation of a MSD 6 Series box on late model vehicles. The harnesses plug in between the ignition coil and the factory coil connector. Four wires with corresponding colors and matching connectors then connect directly to the MSD 6 wires. These harnesses reduce the installation time, reduce or eliminate cut wires, and allow you to quickly convert back to the factory ignition.

4.78 out of 5 stars ( 49 )

$79.09

$54.68

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$81.05

Painless Performance 21-Circuit Universal Harnesses

Painless Performance 21-circuit universal harnesses cover most basic wiring needs for nearly any vehicle. They have plenty of length for full-size and muscle cars. Whether you're working on a hot rod, street rod, muscle, or classic car—Painless has you covered. They don't just make wiring, they make Painless wiring! Order the Painless Performance 21-circuit universal harness designed to fit your application.

4.78 out of 5 stars ( 168 )

$279.99

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$310.99

Painless Performance 21-Circuit Mopar Color-Coded Universal Wiring Harnesses

Painless Performance 21-circuit Mopar color-coded universal wiring harnesses can be used in almost any application where you want Mopar color-coded wires. They eliminate the troublesome bulkhead connector and use a unique covered micro-fuse block. Also featured is an auxiliary circuit with a 20 amp relay for accessories such as fog lights or an electric fuel pump. Each wire is custom printed with the circuit identification for easy installation. Includes circuits for: * Air conditioning/heat * Accessory (relayed) * Backup lights * Brake lights * Charging * Dome light * Electric choke * Emergency flashers * Fan relay activation power * Fused power source * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Radio (constant/ignition hot) * Starting * Taillights and license plate light * Third brake light * Turn signals * Wipers

3.89 out of 5 stars ( 27 )

$599.99

Top Street Performance 20-Circuit Universal Wiring Harnesses

Top Street Performance 20-circuit universal wiring harnesses come complete with a pre-wired fuse box with dedicated circuits for everything from headlights to cruise control, making installation a breeze. Save yourself some time and money—pick up one of these universal wiring harness kits!

Not Yet Reviewed

$259.26

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

American Autowire Power Plus 20 Wiring Harness Kits

American Autowire Power Plus 20 wiring harness kits are the easy, economical way to wire your next project. Each Power Plus 20 offers a pre-wired fuse box to save you time with a streamlined installation. Perfect for underdash mounting, these wiring harness kits implement direct run technology to the switches, fuse panel, and end locations. The wires are heat-resistant, labeled, and color-coded. The fuse box has dedicated circuits for everything from your radio to your headlights to your cruise control. These American Autowire kits provide you with what you need at a price you can afford. Power Plus 20 kits feature: * Pre-wired, ATO-style fuse panel * 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

4.61 out of 5 stars ( 57 )

$395.48

American Autowire Highway 15 Plus Wiring Harness Kits

American Autowire Highway 15 Plus wiring harness kits are built upon the legendary Highway 15 Series harnesses. The goal of the Highway 15 Plus wiring harness kits is to preserve the same feel as the original, with some modernization and ease-of-use improvements for both backyard and professional builders. Below are the new features added to the Highway 15 Plus Series wiring harnesses. New features: * A built-in LED flasher to support LED turn signals without the need to purchase an additional item * A back-up light feed and power wires to make the harness easier to install in a more modern vehicle * Improvements to 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 * A 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. The new connection kit utilizes 6-gauge wire and two 175 amp mega fuses * Extra connectors and wiring to more easily support a 4-headlight system without an additional add-on purchase * Longer neutral safety wires for cars with console shifters * An additional ignition circuit to support aftermarket components * Improved ignition switch with mating connector and four additional accessory and ignition terminals. Uses a square GM-style key Features carried over from the Highway 15 harnesses: * G-10 composite panel base measuring and nylon 6/6 panel components * GXL/XLPE GM color-coded wire * Self-locking screw clamp interface * American Autowire's signature gauge cluster disconnect * Ignition, headlight, and dimmer switches are included * Full-color, tabloid-sized, step-by-step instructions

4.83 out of 5 stars ( 6 )

$610.85

Painless Performance 28-Circuit Universal Muscle Car Harnesses

Painless Performance 28-circuit universal muscle car harnesses are a perfect solution to your wiring needs. They are designed to fit 1960s, 70s, or 80s GM, Ford, and Chrysler muscle cars where a bulkhead connector is required. These harnesses use the highest quality thermal-crossed linked (TXL) polyethylene wire rated to 275 degrees at 600 V--twice the voltage load of standard GPT wire. That's power on demand! Some minor bulkhead modification may be required. Please be sure to check the fitment of this harness, as there may be a more direct fit harness available for your vehicle. Includes circuits for: * Air conditioning/heat * Accessory * Accessory/cigarette lighter * Accessory/trunk light * Backup lights * Brake lights * Charging * Cruise control * Dome light * Electric choke * Electric fuel pump * Emergency flashers * Fan relay activation power * Fused power source * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Power antenna * Power door locks * Power windows * Radio (constant/ignition hot) * Starting * Taillights * Third brake light * Turn signals * Wipers

4.67 out of 5 stars ( 3 )

$539.99

On Sale

Holley Universal Ignition Harnesses

If your vehicle's main wiring harness doesn't have COP (coil-on-plug) trigger wires, you can simply upgrade to one of Holley's universal ignition harnesses. They're specially designed to install coil-on-plug or coil-near-plug coils on Holley EFI systems into Holley Smart Coil ignition sub-harnesses or GM LSx coil harnesses. These harnesses are ideal for use with Holley HP or Dominator ECUs, but are compatible with other EFI systems, as well. Extra pins are provided for both the metripak and ECU ends, if you decide to shorten the harnesses. Caution should be taken to ensure coil trigger wires are installed in their correct pin locations to prevent engine misfire. Make certain your EFI system fires right every time with Holley universal ignition harnesses.

Not Yet Reviewed

$191.95

$172.75

Painless Performance Pro Series Wiring Harnesses

Painless Performance Pro Series wiring harnesses provide you everything you need to properly wire up your pro-touring or custom ride the first time. The Pro Series allows for customization of the harness by providing ample length wiring—so you have the freedom to route and cut the harness to fit your exact setup. Included are over 25 GM factory-style connectors, allowing you to turn the Pro Series harness into a direct-fit harness for your application. With built-in grounds for the lights and high-current charging capacity, the Painless Performance Pro Series wiring harnesses will ensure your ride meets the demands of today's electrical requirements. Available for cars and trucks in 23- and 25-circuit options with or without a bulkhead-style firewall mount, each model gives you the freedom of the Painless customizable harnesses—with the fit of the Painless direct-fit harnesses.

4.85 out of 5 stars ( 47 )

$544.99

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$604.99

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 )

$559.61

Painless Performance Universal Gauge Harnesses

Painless Performance universal gauge harnesses include GM color-coded wire, quick connects for easy gauge removal, and all of the hardware required to wire your gauges. They also include connectors for the following: Voltmeter, temperature gauge, oil pressure gauge, tachometer, fuel level, and illumination lights. They work with VDO, Auto Meter, Stewart Warner, and most other brands of gauges.

4.48 out of 5 stars ( 25 )

$94.99

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$95.99

Manufacturer Rebate

AutoMeter Universal Gauge Wiring Harnesses

AutoMeter universal gauge wiring harnesses provide compatible connections with any AutoMeter tachometer, speedometer, and short sweep electric gauges. They're color-coded for easy installation, and include turn signal and high beam LEDs.

4.93 out of 5 stars ( 14 )

$148.99

Painless Performance Fuel Injection Harnesses

For maximum power with exceptional drivability, transplant the power of fuel injection into your vehicle with Painless Performance fuel injection harnesses. All kits include straightforward instructions and TXL high-temperature, color-coded, and labeled wire for ease of installation. All fuel injection harnesses are 100 percent quality-tested on OmniScanners to ensure the viability of the circuits. Harnesses for both GM and Ford applications are available and they use genuine original equipment connectors for trouble-free installation and operation.

4.48 out of 5 stars ( 95 )

$424.99

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$744.99

On Sale

Holley Main Power Harnesses

Holley main power ignition harnesses are designed for use with your Holly EFI systems. These wiring harnesses work with other Holley components to correctly configure your EFI system.

5.0 out of 5 stars ( 1 )

$106.95

$96.25

Painless Performance 10-Circuit Race Only Harnesses

Painless Performance 10-circuit race only harnesses feature relays for each fused circuit. Each wire is pneumatically terminated and pre-inserted into the fuse block and relay blocks. The fuse blocks are labeled and are designed to power any 12 V electrical component. Each wire is oversized and custom printed with the circuit identification as well as using GM color codes for easy installation. Includes circuits for: * Accessory (Relay) * Electric fuel pump #1 (Relay) * Electric fuel pump #2 (Relay) * Electric water pump (Relay) * Electric fan (Relay) * Fused power source * Headlights (Relay) * Ignition coil (Relay) * Starting (Relay) * Taillights

4.09 out of 5 stars ( 11 )

$327.99

Painless Performance 10-Circuit Race Only Switch and Harness Wiring Kits

Painless Performance 10-circuit race only switch and harness kits feature a relay for each fused circuit and 6 switch contour rocker panel to control it. Each wire is pneumatically terminated and pre-inserted into the fuse block and relay blocks. The fuse blocks are labeled for each circuit and are painted black and silkscreened for easy identification of switch functions. The panels can be roll bar or dash mounted. The harness wires are oversized and custom printed with the circuit identification as well as using GM color codes for easy installation. Includes circuits for: * Accessory #1 * Accessory #2 * Electric fuel pump #1 * Electric fuel pump #2 * Fan relay activation power * Fused power source * Headlights * Ignition coil * Starting * Taillights

4.5 out of 5 stars ( 2 )

$529.99

The Detail Zone Ford 5.0 EFI Universal Fit Wiring Systems

The Detail Zone offers EFI wiring for your Cobra replicas, hot rods, and street rods. Their Ford 5.0 EFI universal fit wiring systems are stand-alone Ford fuel injection harnesses that come partially pre-wrapped. These semi-finished harnesses come with enough high-temperature zip loom and harness wrap tape to complete the job, once you verify lengths and layout. Detail Zone Ford 5.0 universal systems work with mass airflow equipped 302 and 351 engines, and where the ECM is placed behind the dash. The systems include a firewall grommet and complete instructions. Do you want fuel injection for your kit car or hot rod? Try Ford 5.0 EFI universal fit wiring systems from The Detail Zone.

4.6 out of 5 stars ( 15 )

$676.15

On Sale

Holley EFI Systems Wiring Harnesses

Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.

4.78 out of 5 stars ( 32 )

$614.95

$122.95

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$870.95

KC HiLiTES Universal Light Wiring Harnesses

KC HiLiTES universal light wiring harnesses are designed to power two of nearly any kind of auxiliary automotive lights They're weatherproof sealed with matching connectors. KC offers a variety of light wiring kits, switches, and relays—as well as these universal harnesses equipped with everything you need to make two auxiliary lights shine brightly.

4.0 out of 5 stars ( 1 )

$50.99

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$299.99

Painless Performance 21-Circuit Pro Street Chassis Harnesses

If you want to keep your race car streetable and want to use all of your factory switches instead of a switch panel, Painless Performance 21-circuit Pro Street chassis harnesses are for you. Each wire is labeled and is pre-terminated at the fuse block for easy installation. They also include an optional connector if you want to use a GM column mounted ignition switch. Also, with each harness is a terminal assortment kit, with the necessary connectors for your turn signal switch, headlights, and alternator. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation. Includes circuits for: * Accessory #1 * Accessory #2 * Brake Lights * Charging * Dome light * Electric fuel pump #1 * Electric fuel pump #2 * Electric water pump * Emergency flashers * Fan relay activation power * Fused power source * Headlights * Horn * Ignition coil * Park lights * Radio and gauges B+ * Starting * Taillights * Third brake light * Turn signals * Wipers

4.83 out of 5 stars ( 6 )

$327.99

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

$435.95

$391.95

Painless Performance GM Steering Column with Dimmer Pigtail Kits

Painless Performance GM steering column with dimmer pigtail kits include original factory plugs to replace worn-out or damaged connectors for GM steering columns. They feature GM color-coded wires and are ready to plug and splice into your existing harness. Kits include: * Two keyed ignition switch pigtails * One turn signal pigtail with two connectors * One dimmer switch pigtail

4.17 out of 5 stars ( 6 )

$42.99

Painless Performance 28-Circuit Universal Harnesses

Painless Performance 28-circuit universal harnesses include most of the power accessory circuits you have been looking to add to your vehicle. The versatility of these harnesses will allow them to be easily adapted to almost any vehicle. The GM column-mounted harnesses include ignition switch plugs and turn signal switch plugs, pre-terminated and ready to install. They also have pre-wired plugs for the headlights and dimmer switch. The dash mounted units do not include the GM column-mounted ignition switch plugs, but do include the GM column-mounted turn signal switch plugs and terminals. Each harness includes circuits for: * Air conditioning/heat * Accessory * Accessory/cigarette lighter * Accessory/trunk light * Backup lights * Brake lights * Charging * Cruise control * Dome light * Electric choke * Electric fuel pump * Emergency flashers * Fan relay activation power * Fused power source * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Power antenna * Power door locks * Power windows * Radio (constant/ignition hot) * Starting * Taillights * Third brake light * Turn signals * Wipers

4.68 out of 5 stars ( 74 )

$339.99

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$365.99

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