Aftermarket Automotive Wiring Accessories
Purchasing automotive wiring accessories allows you to complete your vehicle's electrical system projects. JEGS offers a wide selection of automotive wiring accessories from top manufacturers such as American Autowire, Caspers Electronics, Dorman Products, Ron Francis Wiring, JEGS, and others. Each wiring accessory is made from high quality materials and assembly so you can get the electrical component you want at a price you can afford with the assurance you need.
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JEGS
Rear Window Defroster/Hazard Light Switch Assembly for 1987-1993 Ford Mustang
Part Number: 555-93665

JEGS
Rear Window Defroster/Hazard Light Switch Assembly for 1987-1993 Ford Mustang
Part Number: 555-93665
![Spark Plug Wire Retainer Fits Select 1968-1974 Chevrolet Big Blocks [Plug-In Style, 2-Wire]](https://www.jegs.com/images/mini_100/500/555/555-90763.jpg)
JEGS
Spark Plug Wire Retainer Fits Select 1968-1974 Chevrolet Big Blocks [Plug-In Style, 2-Wire]
Part Number: 555-90763
![Spark Plug Wire Retainer Fits Select 1968-1974 Chevrolet Big Blocks [Plug-In Style, 2-Wire]](https://www.jegs.com/images/mini_200/500/555/555-90763.jpg)
JEGS
Spark Plug Wire Retainer Fits Select 1968-1974 Chevrolet Big Blocks [Plug-In Style, 2-Wire]
Part Number: 555-90763

JEGS
Cowl Induction Throttle Switch 1969 Chevy Camaro, 1970 Chevy Chevelle/El Camino, 1970-1972 Pontiac Firebird
Part Number: 555-79322

JEGS
Cowl Induction Throttle Switch 1969 Chevy Camaro, 1970 Chevy Chevelle/El Camino, 1970-1972 Pontiac Firebird
Part Number: 555-79322

PAINLESS PERFORMANCE PRODUCTS
Direct-Fit 23-Circuit Wire Harness for 1987-1991 Jeep YJ Wrangler
Part Number: 764-10111

PAINLESS PERFORMANCE PRODUCTS
Direct-Fit 23-Circuit Wire Harness for 1987-1991 Jeep YJ Wrangler
Part Number: 764-10111

PAINLESS PERFORMANCE PRODUCTS
21-Circuit Color-Coded Wire Harness 1966-1976 Ford Galaxie, LTD, Falcon, Fairlane, Maverick, Torino, Ranchero
Part Number: 764-10123

PAINLESS PERFORMANCE PRODUCTS
21-Circuit Color-Coded Wire Harness 1966-1976 Ford Galaxie, LTD, Falcon, Fairlane, Maverick, Torino, Ranchero
Part Number: 764-10123

PAINLESS PERFORMANCE PRODUCTS
Fan Relay Kit W/Thermostat - GM Gen III Engines SPST 40 Amp Relay
Part Number: 764-30106

PAINLESS PERFORMANCE PRODUCTS
Fan Relay Kit W/Thermostat - GM Gen III Engines SPST 40 Amp Relay
Part Number: 764-30106

PAINLESS PERFORMANCE PRODUCTS
Weatherproof Fuel Pump Relay Kit 30 Amp HD Weatherproof Relay
Part Number: 764-30131

PAINLESS PERFORMANCE PRODUCTS
Weatherproof Fuel Pump Relay Kit 30 Amp HD Weatherproof Relay
Part Number: 764-30131
![GM 4L60E/4L80E Vehicle Speed Sensor Extension/Repair Pigtail [Length: 24 in.]](https://www.jegs.com/images/mini_100/700/764/764-60556.jpg)
PAINLESS PERFORMANCE PRODUCTS
GM 4L60E/4L80E Vehicle Speed Sensor Extension/Repair Pigtail [Length: 24 in.]
Part Number: 764-60556
![GM 4L60E/4L80E Vehicle Speed Sensor Extension/Repair Pigtail [Length: 24 in.]](https://www.jegs.com/images/mini_200/700/764/764-60556.jpg)
PAINLESS PERFORMANCE PRODUCTS
GM 4L60E/4L80E Vehicle Speed Sensor Extension/Repair Pigtail [Length: 24 in.]
Part Number: 764-60556
What is an automotive wiring harness?
An automotive wiring harness is a vital component of a vehicle's electrical system. It serves as the central nervous system, connecting various electrical components and ensuring they function seamlessly. Here's what you need to know about automotive wiring harnesses:
- **Wiring Organization:** Automotive wiring harnesses consist of bundles of wires, connectors, and terminals grouped together in an organized manner. They are designed to fit specific vehicle models and ensure proper connectivity.
- **Efficiency and Reliability:** Wiring harnesses are manufactured to meet strict quality and safety standards. They enhance the efficiency and reliability of electrical systems, reducing the risk of electrical malfunctions.
- **Connectivity:** Wiring harnesses facilitate the connection of various electrical components, including sensors, lights, switches, and more. This ensures that signals and power are transmitted correctly.
- **Protection:** Harnesses protect wires and electrical connections from environmental factors, such as moisture, heat, and vibrations, which can cause wear and damage over time.
- **Ease of Installation:** When repairing or upgrading a vehicle's electrical system, using an aftermarket wiring harness can simplify the installation process. These harnesses often come with connectors that match the original equipment, making replacement straightforward.
Whether you're restoring a classic car, customizing your vehicle, or addressing electrical issues, an automotive wiring harness is an essential component to consider.
What gauge is automotive wire harness?
Automotive wire harnesses use wires of various gauges, and the specific gauge depends on the application and electrical load. Common wire gauges used in automotive wiring harnesses include 18, 16, 14, and 12 gauge wires. Here's a general guideline:
- **18 Gauge:** This is a thinner wire often used for low-power applications like interior lighting, sensors, and small switches.
- **16 Gauge:** Slightly thicker, 16-gauge wires are suitable for powering accessories like radios, speakers, and small motors.
- **14 Gauge:** These wires are used for medium-power applications such as headlights, taillights, and power windows.
- **12 Gauge:** Thicker 12-gauge wires are reserved for high-power components like electric fans, power seats, and amplifiers.
It's essential to select the appropriate wire gauge for your specific electrical needs to ensure safety and optimal performance. Using the wrong gauge wire can lead to electrical issues and potential hazards.
How much does a wiring harness cost?
The cost of an automotive wiring harness can vary significantly based on factors such as the vehicle's make and model, the complexity of the harness, and whether it's an OEM (Original Equipment Manufacturer) or aftermarket harness. Here's a general price range:
- **OEM Wiring Harness:** Original equipment wiring harnesses that match the specifications of your vehicle can range from $50 to $300 or more, depending on the complexity and brand.
- **Aftermarket Wiring Harness:** Aftermarket harnesses designed for specific vehicle models can be more budget-friendly, typically ranging from $20 to $150.
- **Custom Wiring Harness:** If you require a custom wiring harness for a unique project or vehicle modification, the cost can vary widely and depends on the complexity of the design.
When choosing a wiring harness, consider your specific needs, the compatibility with your vehicle, and whether you prefer an OEM or aftermarket solution. It's essential to invest in a quality harness to ensure the reliability and safety of your vehicle's electrical system.










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