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1981 GMC Electrical Wiring
Showing In Stock Items. Show All 78 Items.
Brothers Trucks Engine Wiring Harnesses
Brothers Trucks engine wiring harnesses plug into the dash harness at the firewall on your truck. Common circuits include the ignition coil, wipers, heater blower, starter, temperature, oil pressure and others, depending on the year and option of your truck. When ordering, please specify engine size, transmission type and if your truck is equipped with warning lights or factory gauges.
( 1 )
$389.99
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 built from factory drawings and prints. They are made of high-quality Automotive Grade Wire using factory style fuse blocks, connectors and plug ends, and correct 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. Please refer to the factory diagrams and or service manuals for your specific vehicle.
( 87 )
$279.99
$24.99
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$279.99
Grote Industries Turn Signal Flashers
Grote turn signal flashers are intended to be used to replace original flasher modules when LED lighting is installed, or as heavy-duty flashers for factory or aftermarket incandescent lighting. Grote manufactures these turn signal flashers from quality materials to ensure performance reliability. They come available in LED or standard flasher types.
( 12 )
$15.99
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$17.99
On Sale
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.
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$309.99
$164.99
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$369.99
Summit Racing™ Direct-Fit Turn Signal Levers
Summit Racing™ direct-fit turn signals levers are application-specific components designed to replace factory originals, primarily for classic GM and GMC vehicles from the 1960s, 1970s, and 1980s. These levers are engineered to OEM tooling specifications, ensuring they mount and function exactly like the factory parts they replace for proper fitment and operation.
Not Yet Reviewed
$19.99
Four Seasons Electrical Relays
Four Seasons electrical relays allow you to control a high-amperage circuit from a low-amperage circuit. Each relay has at least two circuits--a low-amperage "control" circuit and a high-amp "load" circuit. When the control circuits are energized, they activate the relays to operate different part components. These electrical relays come in various styles to suit your specific application needs.
( 6 )
$14.99
Yukon Gear & Axle Zip Locker Switch Covers
Yukon Gear & Axle offers Zip Locker switch covers for the front or rear of your Yukon Zip Locker system. Yukon's Zip Locker system is the latest in "on-demand" traction and its air-operated design allows you to switch from an open differential to 100 percent lockup when you need it, giving you the ultimate in driver selectability. The switch covers are sold individually. Select the Yukon Zip Locker cover switches designed for your application needs.
Not Yet Reviewed
$10.99
Standard Motor Wiring Connectors
High-quality, direct-replacement Standard Motor wiring connectors help eliminate the need for a harness by letting you swap only the damaged connector for a cost-effective repair solution. The terminals feature high-grade materials like copper alloy, brass, and phosphor bronze. Together they provide the connectors with prolonged life and superior performance in harsh environments for each specific application. Standard Motor electrical connectors are 100 percent tested for the proper mechanical and electrical fit, form, and function for your vehicle.
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$3.99
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$30.99
Standard Motor Relays
Don't take chances with old or questionable relays that can leave you stranded. Standard Motor Products relays are designed to exceed OEM specifications for accurate, maintenance-free operation. These replacement units are available in dozens of configurations for easy installation on countless applications. Trust your vehicle's needs to Standard Motor Performance.
( 66 )
$10.99
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$17.99
Universal Air Conditioner Pressure Switches
The pressure switch controls the on/off function of the A/C compressor, the unit that pumps refrigerant through the system. You can make sure you stay cool by replacing failing switches with a new one from UAC. Universal Air Conditioner pressure switches will maintain the proper operation of your air conditioning system to keep producing cold air.
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$11.99
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$19.99
OER Authorized Ignition Switches
A faulty ignition switch can be the cause of a no-start situation. OER Authorized offers replacement ignition switches that will fit and perform the same way your original switch was designed too. These reproductions are available for a variety of applications—including Chevy Tri-Five cars, classic Corvettes and mid-'50s trucks. Each switch features high-quality components for a long-life guarantee.
Not Yet Reviewed
$16.99
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$23.79
Dorman Wiring Connectors
Dorman wiring connectors are designed to facilitate the flow of electrical current over a broad range of applications. The small components are available in a variety of styles to fit your specific application or universal fit needs. Choose Dorman wiring connectors for a reliable connection every time.
( 59 )
$10.99
Standard Motor Door Jamb Switches
Standard Motor Products door jamb switches are designed to exceed OEM specifications for accurate, maintenance-free operation. Trust your vehicle's needs to Standard Motor Performance.
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$6.99
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$15.99
On Sale
Standard Motor Blower Motor Resistors
Don't take chances with old, questionable, or faulty blower motor resistors that can leave you without heat or air circulation. Standard Motor Products blower motor resistors will control the electrical current flowing from the fan switch to the blower fan, allowing you to set the fan at different speeds. They are designed to exceed OEM specifications for dependable, maintenance-free operation. Restore your vehicle's HVAC functions with high-quality replacement parts from Standard Motor.
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$13.99
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$19.99
$12.59
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$17.99
Standard Motor T-Series Brake Light Switches
Don't take chances with old, questionable, or faulty brake light switches that can be a danger to you and others. Standard Motor Products T-Series replacement brake light switches are made to OE specifications to ensure proper fit, form, and function and ease of installation. Made from high-quality materials to ensure durability and tested for performance and reliability these components are available for fitment on a wide variety of cars, trucks, and vans. As a global manufacturer of automotive parts, Standard Motor maintains complete quality control throughout the manufacturing process. Select the T-Series brake light switch designed for your application needs.
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$7.99
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$13.99
Dorman Power Window Switches
Dorman power window switches are high-quality replacements to facilitate the ups-and-downs of window operation. They're designed to meet all OEM specifications and install in the stock location. Dozens of styles are available for fitment in specific vehicles.
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$10.99
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$16.99
Dorman Power Door Lock Switches
Replace your broken door lock switches with these OE replacements from Dorman. These switches are quality-constructed direct replacements, taking all of the guesswork out of getting the right switch for your vehicle.
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$15.99
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$28.36
Dorman Power Window Switch Clips
Dorman power window switch retaining clips are designed to hold your switch to the interior door panel, and roll up and down properly. Manufactured from steel, they are built to factory specifications to ensure a direct fit.
( 4 )
$3.99
Standard Motor Ignition Starter Switches
Are you looking for an OE replacement starter switch? Standard Motor ignition starter switches are perfect replacement starter switches that meet or exceed all OE specifications. These switches are specifically designed for each application.
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$16.99
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$33.99
Standard Motor Turn Signal Switches
Don't take chances with old, questionable, or faulty turn signal switches that can be a danger to you and others. Standard Motor Products replacement turn signal indicator switches are designed to exceed OEM specifications for dependable, accurate, maintenance-free operation. Trust your vehicle's electrical system needs to Standard Motor Performance.
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$37.99
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$67.99
OER Authorized Brake Light Switches
OER Authorized brake light switches are tailored to fit your vehicle. Every switch will ensure your lights are working when the brakes are applied.
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$6.99
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$11.99
Standard Motor Flasher Relays
Standard Motor flasher relays are offered in a full range of styles for late model and older applications. They all feature robust design and high-grade materials manufactured to stringent quality requirements to ensure reliable operation. Don't take chances with failing components--replace them with quality components from Standard Motor.
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$7.99
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$22.99
Dorman Blower Motor Resistors
Weather forecasts change daily, but your vehicle is still one place where you can control the climate. And that's why Dorman blower motor resistors are so important. The easy-to-install devices control the electric current to the fan motor, keeping your heating and air conditioning system at peak performance, no matter the speed. Their long-lasting design resists thermal fuse failure, overheating, and burnout. These components are available for fitment in a wide range of cars, trucks, and vans.
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$12.99
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$13.99
Standard Motor Neutral and Backup Safety Switches
Don't take chances with old, questionable, or faulty neutral and reverse safety switches that can be a danger to you and others. Standard Motor Products replacement neutral safety switches are designed to exceed OEM specifications for dependable, accurate, maintenance-free operation. Trust your vehicle's electrical system needs to Standard Motor Performance.
( 52 )
$18.99
