Semi-Truck Electric Wire, Cable & Acc Universal
Upgrade your rig with our universal electric wires, cables, and accessories designed for semi-trucks. These essentials keep your truck's electrical systems running smoothly, from headlights to power cords. Our products are built tough to handle the daily grind and rough conditions on the road. You'll find easy-to-install wiring that fits various models, making maintenance a breeze. Whether you’re swapping out a connector or replacing a harness, trust our reliable collection to get the job done right, keeping you on the road with confidence.
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Non-Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output To Connect Turn Signal, Brake Lights, & Tail Lights
CURT MANUFACTURING
$23.79Non-Powered 3-To-2-Wire Taillight Converter W/ 4 Way Output & Color Coded Wires - Mounts To Surface Board * High Quality Taillight Converter* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects Tail...$23.79 -
3-To-2 Wire 24-Volt Splice-in Taillight Converter For 24V Automotive Systems,Trucks, Busses, Cab Chassis
CURT MANUFACTURING
$48.9924-Volt Splice-In Taillight Converter For Trucks, Busses, Cab & Chassis WiringConverts 3-Wire System To Standard 2-Wire On Incandescent & LED Trailer Lighting Systems * High Quality Taillight Converter* Primarily Used For 24V Automotive Systems, Busses,...$48.99 -
7-Way RV Blade Custom Wiring Harness Extension Isolator Hardware Kit For Aluminum Truck Beds
CURT MANUFACTURING
$13.19Custom Wiring Harness Extension Isolator Hardware Kit For Aluminum Truck Beds * High Quality Hitch* Securely Mounts A 7-Way RV Blade Extension Harness In An Aluminum Truck Bed * Neoprene Well Nuts Isolate Steel Bolts From Aluminum Surfaces * Includes...$13.19 -
4-Way Flat License Plate Light Plug Connector Socket W/ 36 Inch Wires
CURT MANUFACTURING
$6.594 Way Flat License Plate Light Plug Connector Socket W/ 36 Inch 16-Gauge Color Coded Wire * High Quality License Plate Light Plug Connector Socket* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 1-1/4 Inch Plug Fits A Typical...$6.59 -
Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output
CURT MANUFACTURING
$90.99Splice-In Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output, Snap Locks & Color-Coded Wires * High Quality Taillight Converter* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects Tail...$90.99 -
5-Way Flat Connector Mounting Bracket W/ Hardware
CURT MANUFACTURING
$6.595-Way Flat Connector Mounting Bracket * High Quality Connector Mounting Bracket* Securely Mounts A 5-Way Flat Connector Socket * Allows For Attachment To The Vehicle Or Trailer Hitch * Constructed From High-Strength Steel * Protected By A Durable Black...$6.59 -
1.25 Inch 4-Way Flat License Plate Light Plug Adapter
CURT MANUFACTURING
$8.091.25 Inch 4-Way Flat License Plate Light Plug Adapter * High Quality License Plate Light Plug Adapter* Allows A 4-Way Flat Socket To Be Mounted In A License Plate Light Hole * 1-1/4 Inch Plug Fits A Typical License Plate Light Hole * Simple Plug-And-Play...$8.09 -
5-Way Flat Connector Socket W/ 60 Inch 16-G Color Coded Wires
CURT MANUFACTURING
$11.89Vehicle-Side 5-Way Flat Connector Socket W/ 60 Inch 16-G Color Coded Wires * High Quality Connector Socket* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 5-Way Flat Connects Tail Lights, Brake Lights, Turn Signals And Reverse...$11.89 -
Powered 3-To-2 Wire Taillight Converter W/ Potted Enclosure, 4-Way Flat Output
CURT MANUFACTURING
$88.99Weather-Resistant, Powered 3-To-2-Wire Splice-In Trailer Taillight Converter W/ 4 Pin Wiring Harness * High Quality Taillight Converter* Converts 3-Wire System To 2-Wire Trailer Light Wiring * Potted Enclosure Significantly Increases Water And Vibration...$88.99 -
4-Way Flat License Plate Light Plug Adapter
CURT MANUFACTURING
$5.294-Way Flat License Plate Light Plug Adapter * High Quality License Plate Light Plug Adapter* Allows A 4-Way Flat Socket To Be Mounted In A License Plate Light Hole * 1-1/4 Inch Plug Fits A Typical License Plate Light Hole * Simple Plug-And-Play Design...$5.29 -
Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output, Snap Locks, & Color Coded Wires
CURT MANUFACTURING
$46.99Splice-In 3-To-2 Wire Trailer Tail Light Converter W/ Snap Locks, Color Coded Wires & 4-Pin Wiring Harness * High Quality Taillight Converter* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects Tail...$46.99 -
Black Plastic Vehicle-Side 5-Way Flat Connector Tester W/ LED Lights
CURT MANUFACTURING
$10.59Vehicle-Side 5-Way Flat Connector Tester W/ LED Lights * High Quality Connector Tester* Confirms Proper Function Of Vehicle-Side Wiring Connector * Tests 5-Way Flat For Tail Lights, Brake Lights, Turn Signals And Reverse Lights * Constructed With LED...$10.59