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Automotive Wiring Accessories

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Results 1 - 24 of 2000 +

Painless Performance 27-Circuit Classic-Plus Customizable GM Truck Chassis Harnesses

Painless Performance 27-circuit Classic-Plus customizable GM truck chassis harnesses are designed to fit a wide range of trucks, Blazers, and Suburbans—whether C10, C20, or C30. They feature a factory-style bulkhead connector, allowing for easy mounting of the fuse block in the factory location, and have many factory connectors already installed on the harness out of the box. Each wire is custom-printed with the circuit identification, as well as using the GM color codes for easy installation. Wire your Squarebody once—and wire it right with these Painless 27-circuit Classic-Plus customizable GM truck chassis harnesses! Additional features and benefits include: * Each harness comes open-ended (headlight and taillight wiring) with extra length and can be paired with light socket kits (also available by Painless, but sold separately) * Included connectors for: the headlight switch, dimmer switch, wiper motor, ignition switch, blower motor and switch, blower resistor, and instrument cluster

4.77 out of 5 stars ( 35 )

$679.99

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.

4.89 out of 5 stars ( 9 )

$676.40

Painless Performance 21-Circuit Direct-Fit Jeep CJ Harnesses

Painless Performance 21-circuit direct-fit Jeep CJ harnesses are fully grounded for use with fiberglass Jeep bodies. Almost every circuit on these 3-section harnesses are pre-terminated at both ends. Painless uses an OEM-style bulkhead connector that attaches to the bulkhead without any special brackets or modifications. The blade-type fuse block wiring is factory terminated and machine crimped. Each wire is custom printed with the circuit identification as well as using factory color codes for easy installation. These harnesses are not equipped for computer controls, nor is it engine specific. Water temperature sender, oil gauge sender, alternator, starter solenoid, tach lead, ballast resistor, and fuel tank sender are not pre-terminated. Includes circuits for: * Air conditioning/heat * Accessory/cigarette lighter * Backup lights * Brake lights * Charging * Dome light * Electric choke * Emergency flashers * Fan relay * Fused power source * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Radio (constant/ignition hot) * Starting * Taillights and trailer lights * Turn signals * Under hood light * Wipers and washer pump

4.88 out of 5 stars ( 25 )

$899.99

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 ( 546 )

$752.59

$2,654.05

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.

4.76 out of 5 stars ( 157 )

$279.99

$310.99

Painless Performance PowerBraid Chassis Harness Kits

Protect and clean up any wire harness installation with Painless Performance PowerBraid chassis harness kits. The braided, laterally split wire wrap closes around the wire bundle without the need for additional taping or fasteners. These kits include wire ties and self-sealing electrical tape to complete the installation. Painless Performance PowerBraid kits feature everything you need in one box to professionally cover any chassis harness. Kits include: * 10 ft. of 1/8 in. diameter sleeving * 60 ft. of 1/4 in. diameter sleeving * 30 ft. of 1/2 in. diameter sleeving * 6 ft. of 1 in. diameter sleeving * 1/4 in., 3/8 in. and 1/2 in. heat shrink tubing * 140 cable ties * 1 roll of stretch and seal tape

4.57 out of 5 stars ( 58 )

$159.99

Painless Performance GMC/Chevy Truck Harnesses

Nothing could make re-wiring your Chevy/GMC truck any easier than Painless Performance harnesses. By adding a factory-style bulkhead connector and additional GM connectors, Painless made their universal harness a custom fit for these popular 2x4 and 4x4 GMC/Chevy pickups. These harnesses will work on pickups, Blazers and Suburbans. Includes circuits for: * Air conditioning * Heat * Camper cover lights * Cigarette lighter * Four wheel drive switch * Backup lights * Charging * Cruise control * Dome light * Electric choke * Electric fuel pump * Emergency flashers * Fan relay activation power * Fused power source * Headlights * Horn (relay) * Ignition coil * Instrument panel lighting and gauges * Park lights * Power antenna * Power door locks * Power windows * Radio/clock (constant and switched) * Starting * Taillights * Third brake lights * Turn signals * Wipers and washer pump

4.72 out of 5 stars ( 43 )

$635.99

Painless Performance 27-Circuit Classic-Plus Tri-Five Chevy Chassis Harnesses

Painless Performance 27-Circuit Classic-Plus Chevy chassis harnesses are designed to fit the 1955, 1956, and 1957 "Tri-Five" models (150, 210, Nomad, and Bel Air)—and they include additional circuits for power options and accessories. The harnesses feature a factory location Painless mounting plate for the fuse block, front and rear lighting sockets, factory and aftermarket instrument cluster harnesses, and dash and turn signal connectors. They utilize GM color-coded high-grade TXL wire with the circuit identification printed on it for easy installation.

4.6 out of 5 stars ( 10 )

$605.99

MSD High-Current Solid State Relay Blocks

MSD high-current solid state relay blocks take the place of four standard relays and eliminates unsightly wiring. Four independent channels can be activated using either power or ground. Each channel is capable of handling up to 35 amps of continuous current, providing up to 140 amps of power, and also has the capability of pulse width modulation. The blocks can easily be mounted using the supplied hardware and mounting tabs that can be rotated 90 degrees to accommodate various mounting locations. Clean up your wiring with MSD high-current solid state relay blocks. Features include: * Operates from 7 V to 20 V supply * Four independent channels, 35 amps each continuous or 100 amps for 8 seconds * Combined total continuous current rating of 140 amps * Channels can be run in parallel for devices requiring more than 35 amp single-channel rating * Over-temperature, short circuit, and overload protection * Diagnostic LEDs and status indicators * Multiple mounting options * Single wire activation by switching power or ground * Available in red or black * PWM signal can be used--maximum frequency of 150 Hz and a duty cycle range from 50 to 90 percent

4.69 out of 5 stars ( 13 )

$217.95

Painless Performance 21-Circuit 1967-77 Direct-Fit Ford F-Series Harnesses

Painless Performance 21-circuit 1967-77 direct-fit Ford F-Series harnesses are the perfect upgrade for your Ford truck. They use many of the factory connections and are already pre-terminated. Each harness features a unique covered micro-fuse block with a 20 amp auxiliary relay circuit for accessories, such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation. Includes circuits for: * Air conditioning/heat * Accessory (relayed) * Accessory/cigarette lighter * Backup lights * Brake lights * Cargo Lamp * Charging * Dome light * Electric choke * Emergency flashers * 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 * Turn signals * Wipers and washer pump

4.22 out of 5 stars ( 9 )

$774.99

NOS Solid State Relays

NOS solid-state relays address the need for reliable, rugged, and affordable control of various electrical equipment on your race car. Originally designed to control the high-current switching loads of nitrous solenoids, these relays can also be used to control other high-current devices—such as electric water pumps, trans-brakes, and line locks. NOS relays feature an ultra-low activation/release time of less than 16 microseconds to ensure no delays in reaction times. The solid-state relays can also be Pulse Width Modulated (PWM) with no minimum-duty cycle at frequencies up to 1000hz. NOS solid state relays feature: * 5-20 V DC operation * Rugged solid-state circuitry * Easy 3-wire connection * Included terminated pigtail * Included extra contacts for build-your-own wiring * Ultra-fast activation, under 16 microseconds * Pulse Width Modulation (PWM) compatible * PWM 0-100 percent * Up to 1000hz frequency * Vibration-resistant * Maximum continuous current = 40 amps * Maximum switching current = 20 amps

5.0 out of 5 stars ( 13 )

$92.45

Holley Sniper Transmission Controller Harnesses

Holley Sniper offers transmission-specific controller harnesses for a variety of GM and Ford automatic transmission models. The plug-and-play harnesses are pre-terminated with j4 connectors. Order the harness recommended for your EFI application.

Not Yet Reviewed

$269.95

$299.95

Painless Performance 22-Circuit 1965-66 Mustang Chassis Harnesses

Painless Performance 22-circuit direct fit 1965-66 Mustang chassis harness have many of the factory connectors already installed on the harnesses out of the box. They use unique covered micro-fuse blocks and also feature auxiliary circuits 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 as well as using Ford color codes for easy installation. Includes circuits for: * Air conditioning/heat * Accessory relay * Accessory/cigarette lighter * Backup lights * Brake lights * Charging * Courtesy and dome lights * Electric choke * Emergency flashers * Fan relay activation power * Fused power source * Glove box light * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Radio (constant/ignition hot) * Starting * Taillights and license plate lights * Turn signals * Wipers and washer pump

4.92 out of 5 stars ( 12 )

$896.99

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

4.67 out of 5 stars ( 73 )

$339.99

$365.99

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

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

4.6 out of 5 stars ( 55 )

$431.40

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.

4.83 out of 5 stars ( 42 )

$544.99

$604.99

Summit Racing™ Remote Battery Disconnect Kits

Summit Racing™ remote battery disconnect kits positively shut off all of the current from the batteries in the event of a short or accident. They're available in different switch actuation models, as well as for different amps. For safety and anti-theft protection, install a battery disconnect switch from Summit Racing™.

4.68 out of 5 stars ( 59 )

$44.99

$94.99

Summit Racing™ Braided Wire Wraps

Tuck your wires into Summit Racing™ braided wire wraps and you and your ride will both be happy. The wires will be protected from abrasion and damage, and you'll enjoy the nice, neat look. Summit Racing™ wire wraps are made of heat-retardant, woven polymer material split lengthwise for easy installation. These flexible wraps spring closed around your wire bundles for a snug fit without ties or tape—and they're available in several lengths and diameters. Upgrade your vehicle's electrical system protection with Summit Racing™ braided wire wraps.

4.91 out of 5 stars ( 410 )

$13.99

$28.99

Vintage Air Replacement Trinary Switches

Vintage Air replacement trinary switches combine low and high pressure compressor clutch cut-off functions plus an electric fan engagement signal at 254 psi. The low pressure cut-off of these trinary switches is 30 psi and the high pressure cut-off is 406 psi. These are the replacement switches only for Vintage Air trinary switch kits.

4.67 out of 5 stars ( 48 )

$42.99

Painless Performance ClassicBraid Wire Wrap

Painless Performance ClassicBraid wire wrap is designed to protect and clean up your harness installation. It features a laterally split design that closes around the wire bundle without the need for additional taping or zip ties. The 25 percent edge overlap allows for easy installation over splices and inline connectors without exposing wires and cables. ClassicBraid wire wrap can withstand 300 degrees F continuous heat and does not melt until 475 degrees F. It's the best solution for looming wires under the hood on almost any vehicle. The wrap is available in different lengths and diameters, individually or in kits.

4.75 out of 5 stars ( 71 )

$31.99

$169.99

Painless Performance 26-Circuit 1970-72 Direct-Fit Chevelle Harnesses

Painless Performance 26-circuit 1970-72 Direct-Fit Chevelle harnesses give you everything you need, plus more! Not only are there provisions for connecting standard factory components, they also offer what you need for aftermarket parts. Various pigtails and light sockets are provided, so the harnesses easily fit mismatched cars (1971-72 cars with 1970 front ends, or 1970 cars with 1971-72 rear bumpers). The gauge cluster pigtail allows for the square "full sweep dash" harness and includes a Super Sport cluster pigtail. This makes it easy for those with a full sweep dash to swap to an SS-style cluster at a later date by undoing only one connector and plugging in the separate pigtail. Additional details: * Harness follows the same routing as the factory harness—allowing you to use OE attachment points * Numerous components have the connectors and terminals pre-installed to make connections plug-n-play * All exterior lights have the correct sockets and bulbs pre-installed * Extra length is added to the headlight section to be routed behind the driver side inner fender for a cleaner look * 6-gauge charge wire and 100 amp MIDI fuse * Fully integrated ground circuit * Factory-style precision molded fuse block can easily be installed in the OE location * Updated ATC-style fuses ensure that the 26 circuits stay protected and safe * Backside of the fuse block has an OE-style bulkhead connector so no trimming or cutting of your firewall is required * Plug-and-play design makes the install easy, no matter your options * Included console harness can be easily added at any time * Each pre-terminated connector is tagged for easy routing and installation * 120+ page manual is full of color schematics, photos, and step-by-step instructions Notes: * Options not supported in these harnesses are: the TCS relay, convertible top, rear defrost, wiring for the factory power window/locks, and factory A/C wiring * The switch power wire for OE power window/locks and A/C are included * Also included is a blower motor harness for heat-only systems

4.8 out of 5 stars ( 10 )

$1,014.99

Painless Performance 19-Circuit GMC/Chevy Truck Harnesses

Painless Performance 19-circuit GMC/Chevy truck harnesses consist of a new chassis-designed harness for use on 1963-66 GM/Chevy pickups. These harnesses include a pre-terminated fuse block and high-temperature, color-coded wire. Complete wiring from headlight to taillight. Includes circuits for: * Air conditioning/heat * Accessory/FWD switch * Backup lights * Charging * Dome * Electric choke * Emergency flashers * Fan relay * Fused power source * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Radio (constant/ignition hot) * Starting * Taillights and trailer lights * Turn signals * Wipers

4.86 out of 5 stars ( 7 )

$624.99

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

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