Automotive Wiring Accessories

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.

4.49 out of 5 stars ( 71 )

$17.99

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.

4.92 out of 5 stars ( 13 )

$676.40

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 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

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 )

$346.58

On Sale

FuelTech SwitchPanel Mini

FuelTech's SwitchPanel Mini is a backlit keypad button panel that communicates with PowerFT ECUs via FTCAN 2.0. Their compact size allows the panels to be installed in any space, and the identification of each button is made through several predefined labels that come with the product--in addition to allowing you to create your own tab using the blank labels. In this way, each button will be very well identified, especially for the colored LED lighting that varies according to the programmed function. Make your build look even better with the FuelTech SwitchPanel Mini! Additional features and benefits: * SwitchPanel Mini keypad has configurable buttons with multicolor backlighting * Material construction: Silicone rubber with polyurethane hardcoat * Compatible with all features present in the PowerFT line ECUs * All buttons can be configured, such as 2-step, air conditioning, Boost +, engine start button, switch dashboard screen, etc. * Stores and saves inputs of the PowerFT ECUs and allows you to expand your build without having to use PowerFT ECUs with more inputs * Well-spaced buttons with a clear tactile perception works great even while wearing gloves * Switch type functions are also supported, such as the day/night mode button, Burnout, Progressive Nitrous, internal datalogger, etc. * IP67 protection rating against water and dust * Case features screws on the back to allow easy and discreet installation, and can be integrated into the dashboard for professional look * Includes SwitchPanel Mini with harness, mounting kit, label sheet, and operation and installation instructions

Not Yet Reviewed

$399.00

—

$409.00

$369.00

—

$389.00

Painless Performance GM Gen IV Vortec Truck Engine Wiring Harnesses

Painless Performance GM Gen IV Vortec truck engine wiring harnesses are designed to operate any Chevrolet Gen IV engine coupled with a 4L65E, 4L70E, 4L80E, or 4L85E automatic transmission. They cannot be used with a 4L60E transmission because it's missing the input speed sensor required by the transmission control module. The harnesses support engines with or without cylinder deactivation and/or variable valve timing. They feature an integrated weatherproof fuse block. Painless Performance GM Gen IV Vortec truck engine wiring harnesses have 10 fused power circuits, including injectors, ignition coils, oxygen sensors, ECM ignition, MAF/VLOM, and fuel pump. They also use an integrated 30 amp fuel pump, 40 amp cooling fan relays, and two ignition relays. The harnesses have an extra 4 ft. of length between the ECM connections and the main engine breakout.

4.0 out of 5 stars ( 1 )

$830.99

Brothers Trucks Deluxe Wiring Harnesses

Brothers Trucks deluxe wiring harnesses are complete 20-circuit replacement wiring systems for 1947-87 Chevrolet and GMC trucks, designed to be a modern upgrade with plug-and-play connectors. They include wiring for the instrument panel, engine bay, and steering column, and provide dedicated accessory power feeds for modern add-ons like power windows and electric fuel pumps. These comprehensive kits are intended to replace the original wiring for a more reliable and upgraded electrical system. Key features: * Comprehensive wiring: Includes connections for all factory components, such as the instrument cluster, engine, and steering column, with a 20-circuit system * Modern accessory support: Features power leads for optional accessories like cruise control, power windows, power locks, and electric fuel pumps * High-quality components: Utilizes high-quality copper wire for better conductivity and includes pre-terminated connectors for an easier plug-and-play installation * Engine and ignition: Provides wiring for the coil, HEI or points distributor, oil pressure and water temperature senders, starter, and neutral safety switch * GM compatibility: Comes with a standard GM column connector set for 1969-74 GM steering columns, and provides terminals for adapting to other columns * Kits include fuses, flashers, horn relays, and all necessary connections to support a wide range of vehicle functions

Not Yet Reviewed

$460.95

New Vintage USA LED Lighted Gauge Dimmers

If your vehicle is equipped with LED lighted gauges, then you may also want to hook yourself up with these LED lighted gauge dimmers from New Vintage USA! Since LED gauges are inherently brighter than stock dash lights, the LED brightness can be hard on the eyes. These compact modules allow for isolated dimming of LED lighted gauges separately from your vehicle's OEM dash and can support up to seven gauge instruments.

5.0 out of 5 stars ( 1 )

$69.99

Dorman Push-Button Momentary Switches

Dorman momentary push-button switches are available for a wide range of applications. They offer a variety of mounting sizes ranging from 1/2 in. to 1 in., as well as a variety to support a range of amperages. Dorman switches are made of sturdy plastic for long-lasting durability.

4.0 out of 5 stars ( 5 )

$4.99

—

$6.99

American Autowire Banked Relay Systems

American Autowire banked relay systems are available in 4-, 6-, and 8-position versions. Each panel comes fully assembled, and uses the same 6-gauge bus bars and non-conductive G10 composite base plate as AA's Highway Series wiring kits. All kits include 48 in. of tough GXL wire to ensure years of reliable service. Relays can be individually configured for ground or 12 V operation to support a wide variety of equipment and needs. With wiring, neatness counts. These banked relay systems are a great solution for a fresh installation, or to clean up and organize a car that has been modified over the years. Fuses, 30 amp relays, color-coordinated labels, and detailed installation instructions are included.

4.0 out of 5 stars ( 2 )

$236.55

—

$426.55

Dorman Toggle Switches

Dorman aftermarket toggle switches fit your OE application perfectly. They're available in a variety of styles, including illuminated, non-illuminated, duckbill, and racing. A large selection is available to support many different amperages and applications—and the switches are constructed of high-quality materials for long-lasting durability. Dorman has the goods suitable for a broad range of usage.

4.0 out of 5 stars ( 35 )

$2.99

—

$11.99

Dakota Digital EFI Interface Module Wiring Harnesses

The Dakota Digital EFI Interface Module wiring harness is a purpose built interface designed to connect the Dakota Digital BIM-EFI-1 module directly to compatible aftermarket EFI systems, allowing critical engine and drivetrain data to be seamlessly shared with Dakota Digital gauge systems. Each harness is EFI specific, ensuring proper CAN bus communication and compatibility with supported systems, making it an essential component for clean, accurate, and efficient integration of aftermarket EFI data into Dakota Digital VFD3, VHX, HDX, RTX, and GRFX gauge platforms.

Not Yet Reviewed

$4.75

—

$23.75

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management System Harnesses

Edelbrock Pro-Flo 4 Plus EFI self-learning engine management system harnesses are offered to support your specific configuration. With an eye toward making your hot rod transplant simple and successful, Edelbrock has created several add-on harnesses. They include LS drive-by-wire, knock sensor, a second oxygen sensor, and 2- or 4-wire LS alternators to radiator fan relay harnesses to complete and/or expand your base Chevy LS, Mopar Gen III Hemi, and Ford Coyote Pro-Flo 4 Plus EFI kits.

4.5 out of 5 stars ( 2 )

$33.95

—

$149.95

On Sale

Moroso Ballast Resistors

Moroso ballast resistors are required for points-triggered ignitions equipped with coils that do not feature built-in resistors. They feature a ceramic base that supports the resistor to eliminate the possibility of electrical shorts and to help dissipate heat. Moroso ballast resistors feature a built-in mounting boss and 1/4 in. spade terminals that facilitate wiring to the battery side of the coil.

4.33 out of 5 stars ( 3 )

$18.99

$17.09

AutoLoc 1-Touch Wiper Speed Control Module Kits

AutoLoc 1-Touch wiper speed control module kits are universal, 3-position, 2-speed solid-state controllers designed to upgrade vintage, custom, or older vehicle wipers to modern push-button operation. They allow users to toggle between low, high, and off functions using a single momentary button, supporting easy integration. Compatible with various AutoLoc 1-Touch momentary switches, these kits typically include the control module, wiring harness, and detailed instructions to convert older mechanical push/pull setups into modern electronic systems. Some kits, specifically those designed for full wiper replacement, also offer adjustable sweep angles.

Not Yet Reviewed

$149.95

American Autowire Rocker Switch Panels

American Autowire rocker switch panels are available in 4-, 6-, or 8-switch versions. Whether you're building a drag car, off-road rig, or just have a lot of high-amp accessories to organize, these dash-mount electrical panels will easily integrate with Autowire's 4-, 6-, or 8-way relay banks for a simple solution to all your switching needs. All 3-part numbers are fully assembled in a .090 in. brushed aluminum mounting panel with 48 in. of GXL wire and a simple plug-and-play connection for corresponding relay banks. Switches have a red indicator light when in use, and are set up to switch power to the supporting relay.

5.0 out of 5 stars ( 1 )

$133.00

AutoLoc Direct GM Column-Fit Keyless Ignition Systems

AutoLoc Direct GM column-fit keyless ignition systems are a conversion kit designed to replace a standard GM-keyed ignition on classic and older Chevy/GM vehicles with a modern push-button start and RFID security. System features and performance: * The push-button start has a one-button activation for your accessory, ignition and engine start, with programmable cranking times (works on carbureted or electronic fuel injection engines) * The billet aluminum column insert is specifically shaped to fit the OEM key cylinder hole in most GM steering columns, allowing for a clean, "no-cutting" installation * The button is billet aluminum and available in non-illuminated or illuminated LED colors (Red, Blue, Green, Orange, etc.) * Integrated RFID Security—includes two RFID tags that act as a proximity immobilizer; the vehicle cannot be started unless a tag is detected * Versatile Engine Support—the system features programmable cranking times, making it compatible with both modern electronic fuel injection (EFI) and older carbureted engines * Smartphone and remote control—includes a Bluetooth smartphone app and two remotes for keyless entry and remote start * Additional functions may require additional parts (subscription Fee required to Program Time Settings on Phone App) Note: Vehicle must have existing power door lock/window system in order to use remotes/phone app for keyless entry. AutoLoc Power Door Lock and Central Locking Systems are available (both sold separately).

Not Yet Reviewed

$599.95

—

$659.95

KC HiLiTES Sidecast Four Light Wiring Harnesses

KC HiLiTES SideCast four-light wiring harnesses are vehicle-specific electrical assemblies designed to connect four KC Profile SideCast LED lights, typically mounted on a Platform One roof rack, to a vehicle's power source. Each harness provides a clean, organized, and "Power-Ready" installation solution with integrated wire channels, simplifying the wiring process and ensuring a professional, factory-like finish for your vehicle's side lighting. Key features: * Vehicle-specific design: The harness is tailored to a particular vehicle model and year, ensuring a perfect fit and seamless integration with the vehicle's existing electrical system and the Platform One rack. * Integrated wire channels: The harness utilizes the Platform One rack's internal wiring channels to hide and protect the wires, resulting in a clean, professional look. * Plug-and-play installation: Harnesses are designed to be a plug-and-play solution, making the installation of the four Profile SideCast lights quick and simple, even for those without extensive electrical knowledge. * Supports four lights: The harness is specifically built to power four Profile SideCast lights, which are often used for campsite or trailside lighting due to their broad side-casting beam. * Power-Ready ecosystem: Harnesses are part of KC HiLiTES' Power-Ready ecosystem, designed for easy integration with their other lighting products and accessories. * Purpose: The primary purpose of the KC HiLiTES SideCast Four-Light Wiring Harness is to provide a hassle-free and secure method for wiring four Profile SideCast lights into a vehicle's Platform One roof rack system. This allows for the installation of powerful, distributed side illumination, perfect for enhancing visibility for tasks such as setting up camp, performing trailside repairs, or improving overall situational awareness during off-road adventures.

Not Yet Reviewed

$214.99

REDARC Encapsulated Protection Devices

REDARC encapsulated protection devices are 7 amp diodes suitable for 12 and 24 V applications. It is totally encapsulated, with sealed connections and will work in ambient temperatures up to 85 degree C (185 degrees F). It has been designed to fit in the trailer stop lamp feed to support the installation of Tow-Pro brake controllers on vehicles where back feed of 12 V during Tow-Pro manual override may interfere with the vehicle systems.

Not Yet Reviewed

$60.00

Wiring Specialties OEM Series Transmission Wiring Harnesses

Wiring Specialties OEM Series transmission wiring harnesses are pre-assembled and designed to save you time, improve engine performance, and give the engine bay a factory appearance. Plus, Wiring Specialties backs up each OEM Series harness with a Turn Key Start-Up Guarantee! Transmission harness features: * Brand new wiring and connectors * OEM connector specs (no cheap aftermarket connectors that fall apart) * Replaces the OEM transmission harness entirely * Designed for a factory-like installation and look (for the Z32 OEM wiring connections and "T" junctions; no soldered connections at all) * Fully tested after production for easy plug-and-play replacement * Installs quickly and easily * Improved grounding connectors over stock * Available Tech support (7 days a week)

Not Yet Reviewed

$204.00

Diode Dynamics Fog Light Wiring Harnesses

Diode Dynamics fog light wiring harnesses provide a plug-and-play solution to add fog lights to vehicles without factory wiring. They offer factory-like automatic operation (turning on with headlights) using built-in relays, fuses, and switches to prevent strain on your car's electrical system. The fog light wiring harnesses are built with high-capacity heavy-gauge wiring and use high-quality, weather-resistant components for long-term use in rugged conditions. A simple plug-and-play installation eliminates guesswork and ensures durability for adding bright, reliable fog lights to the vehicles without existing wiring, supporting features like backlighting and safe power delivery.

Not Yet Reviewed

$19.95

AEM Electronics EV VCU275 Harness Plug and Pin Kits

The AEM EV mission is to make electronics products that simplify the EV conversion process. Their EV Vehicle Control Units and supporting electronics are intuitive and simple to use and provide powerful control for EV street-conversion vehicles and motorsports applications. AEM Electronics EV VCU275 plug and pin kits are quick-connect and waterproof. Each kit supplies terminals, seals, and housings.

Not Yet Reviewed

$166.95

Goodmark Headlight Switch Brackets

Goodmark headlight switch brackets are high-quality, steel reproductions designed to replace damaged or rusted original dash-mounted switch supports in classic and muscle cars. They ensure a precise fit for many 1970s and '80s GM vehicles, commonly featuring a durable black powdercoat finish. Additional notes: * These brackets securely mount the headlight switch to the dashboard, replacing weak, broken, or rusted original parts * They're manufactured to match the original gauge, dimensions, and shape * Often used for classic vehicle restorations, particularly for 1978-85 or 1986-88 Chevrolet Monte Carlo, Malibu, and El Camino models * Brackets come with pre-drilled holes for installation

Not Yet Reviewed

$22.99