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GMC SIERRA 3500 HD Electrical Wiring
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ACDelco Spark Plug Wire Sets
ACDelco spark plug wire sets meet or exceed original equipment specifications for fitment and performance. They're made from top-quality materials, so you know they'll last. The assembled ignition wires are available with different terminal ends and boot ends. Over 700 sets are available to cover virtually any vehicle on the road today. Order the spark plug wires recommended for your application.
( 164 )
$67.99
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.
( 1 )
$830.99
Fleece Performance Wiring Pigtails
Fleece Performance offers wiring pigtails and replacement connectors for a wide range of vehicles—including many Dodge, Chevrolet, GMC, Ford, and Ram models from the 1990s and up. These replacement parts are ideal for sensors, starter solenoids, cooling fans, and other components under the hood. Fully automated in-house wire cutting and terminal crimping ensure you get the highest quality connectors and pigtails to get your car or truck back on the road quickly. Order the model that corresponds to your electrical application.
( 4 )
$12.99
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$299.99
ACDelco Wiring Connectors
The average vehicle today has hundreds of wiring connectors. ACDelco connectors are available for everything needed, from antennas to trailer wiring, as well as an array of multi-purpose connectors to maintain the optimal operation of your vehicle. Choose GM-recommended replacement wiring connectors to ensure the same performance, durability, and service life you've come to expect from General Motors products.
( 38 )
$5.50
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$60.99
ACDelco Replacement Switches
ACDelco offers various electrical switches—including door lock, turn signal, ignition, trunk, HVAC, sensors, dimmers, brake lights, windshield wipers, and more for most vehicles on the road today. These replacements are manufactured to original equipment specifications to ensure proper fitment and performance. Order the switches recommended for your applications.
( 61 )
$16.99
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$164.99
ACDelco Replacement Wiring Harness Connectors
When you need to make automotive repairs, ACDelco's selection of replacement wiring harness connectors offers you the best fit and function sockets and pigtails to do a variety of jobs. These quality-built, OE-like connectors and adapters provide you with efficient, less costly repair options for GM and American Motors vehicles. They're available in male or female, with an assortment of pins/cavities to fill your needs. Service your vehicle with a name you know and trust--ACDelco.
( 22 )
$21.99
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$48.99
Pacer Performance LED Modules
These Pacer Performance LED logic modules filter out turn signal input on all vehicles that use combined brake and turn signal lamps. These modules are required when using a single light as a third LED brake light. Works on most domestic models.
( 11 )
$15.99
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.
( 142 )
$5.99
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$186.99
ACDelco GM Genuine Parts Ground Straps and Cables
ACDelco GM Genuine Parts ground straps and cable are factory-recommended replacements for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. These various straps and cables will provide the same performance, durability, and service life you expect from General Motors. Order the model designed for your application.
( 3 )
$15.99
ACDelco Replacement Relays
Don't take chances with old or questionable relays that can leave you stranded. ACDelco replacement relays are designed to exceed OEM specifications for accurate, maintenance-free operation. Trust your vehicle's needs to ACDelco.
( 16 )
$7.99
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$103.99
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.
( 58 )
$10.99
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$22.99
ACDelco GM Genuine Parts Power Window Switches
ACDelco GM Genuine Parts power window switches are recommended replacements for your GM vehicle's original components. They allow you to raise and lower the power windows on your vehicle. These OE door window switches have been manufactured to fit your specific vehicle, providing the same performance, durability, and service life you expect from General Motors.
( 4 )
$69.99
Morimoto X3B LED Third Brake Flash Modules
Morimoto X3B LED third brake flash modules can be added to your X3B brake light setup to automatically pulse the brake light optics 3x before staying on when you step on the brake pedal. Though the standard optics and powerful 3W LEDs in the X3B brake lights are already highly visible day and night, the addition of this module makes sure that followers will notice when you step on the brakes. This feature has become standard on many of the most modern trucks and cars. The X3B Rapid Flash module is 100 percent plug-and-play with the Morimoto X3B brake lights and can be connected in seconds. It is not compatible with other aftermarket products or OEM units.
Not Yet Reviewed
$49.00
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.
( 77 )
$15.99
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$162.95
ACDelco GM Genuine Parts Ignition Switches
ACDelco GM Genuine Parts ignition switches are GM-recommended replacements for your vehicle's original components. They are multi-position switches that activate the ignition, accessory, and cranking circuits in your vehicle. These original equipment ignition switches have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
( 8 )
$22.99
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.
( 33 )
$46.99
ATP Automatic Transmission Wiring Harnesses
ATP Automotive provides one of the widest product offerings of automatic gear-shifting control products, including transmission wiring harnesses, for most import and domestic vehicles. ATP designs and manufactures them to meet or exceed the OEM specifications to properly control your drivetrain. Get exact-fit, no-compromise replacement parts when you order the ATP automatic transmission wiring harnesses designed for your application.
( 1 )
$157.99
ACDelco GM Genuine Parts HVAC Blower Motor Resistors
ACDelco GM Genuine Parts HVAC blower motor resistors provide stepped voltage drops to facilitate multiple blower fan speeds. They're GM-recommended replacements for your vehicle's factory component and they are manufactured to deliver the performance, durability, and service life you expect from General Motors. Order the model designed for your vehicle and engine application.
( 3 )
$54.99
ACDelco GM Genuine Parts Trailer Brake Controllers
ACDelco GM Genuine Parts trailer brake controllers are replacement switch assemblies that restore signals to your trailer's brake system. When you press on the brake pedal, these units regulate and adjust for the correct braking power needed to stop your trailer. These factory-recommended replacements assure premium quality, as well as peace of mind that the fit, form, and function meet the high standards of General Motors. The trailer brake controllers are available in a variety of styles for compatibility with specific applications.
( 3 )
$45.99
Nitrous Express NX Accessory Power Switch Panels
These Nitrous Express NX accessory power switch panels offer a clean and attractive solution for nitrous systems. These switch panels feature laser etched switch labels for a truly professional look!
( 7 )
$76.43
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$77.55
Fleece Performance Wiring Harness Extensions
Gain additional flexibility in your harness routings with Fleece Performance extension harnesses. Produced in-house, Fleece's manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your vehicle back on the road quickly. Choose the harness needed for your wiring application.
Not Yet Reviewed
$40.99
Dorman Ignition Key Lock Cylinders
Don't take chances with old, questionable, or malfunctioning ignition lock cylinders that can leave you stranded. Dorman replacement ignition lock cylinders and keys are designed to exceed OEM specifications for reliable, maintenance-free operation.
( 13 )
$61.99
Dorman Battery Circuit Fuses
You turn the key—but something is amiss. Your vehicle won't start, the turn signals won't blink, or one of the many other accessories fails to function properly. The problem could be a blown fuse. Dorman battery circuit fuses can quickly restore power to electrical components throughout your car or truck. These direct-fit replacements require no special tools for installation, and are available for a variety of makes and models.
( 1 )
$60.99
Bosch Relays
Plug in Bosch relays for your vehicle's power-switching needs. These quality-built relays exceed OEM specifications to provide reliable service for a wide variety of applications. You can trust Bosch for all of your automotive electrical needs. Features include: * Built to withstand extreme conditions * High-power switching * Function over a wide temperature range * Excellent vibration and impact resistance * Long service life and good climatic resistance
( 40 )
$2.99
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