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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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 -
Black Molded Rubber Vehicle-Side 5-Way Flat Connector Dust Cover
CURT MANUFACTURING
$0.41Vehicle-Side 5-Way Flat Connector Dust Cover * High Quality Connector Dust Cover* Protects Connector From Water, Dust And Road Grime When Not In Use * Helps Prevent Internal Corrosion For A Long Operating Life * Fits Virtually Any 5-Way Flat Connector...$0.41 -
Vehicle-Side 4-Way Flat Connector Socket W/ Hardware
CURT MANUFACTURING
$14.69Vehicle-Side 4-Way Flat Connector Socket W/ Color-Coded Wire, Snap Locks, Mounting Bracket & Hardware * High Quality Connector Socket* Splices Into Vehicle Wiring To Provide A Connection To The Trailer Plug * 4-Way Flat Output Connects Tail Lights, Brake...$14.69 -
Black Molded Rubber Vehicle-Side 5-Way Flat Connector Dust Cover - Packaged
CURT MANUFACTURING
$3.99Vehicle-Side 5-Way Flat Connector Dust Cover * High Quality Connector Dust Cover* Protects Connector From Water, Dust And Road Grime When Not In Use * Helps Prevent Internal Corrosion For A Long Operating Life * Fits Virtually Any 5-Way Flat Connector...$3.99 -
4-Way Flat Vehicle To 7-Way RV Blade Trailer Electrical Adapter W/ Brake Controller
CURT MANUFACTURING
$122.99Plug-And-Play 4-Way Flat Vehicle To 7-Way RV Blade Trailer Electrical Adapter W/ Brake Controller & Spring Loaded Dust Cover * High Quality Electrical Adapter* Adapts A 4-Way Flat Vehicle Socket To Fit 7-Way RV Blade Trailer Plugs * Simple Plug-And-Play...$122.99