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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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
$0.95Vehicle-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...$0.95 -
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 -
Clamp-On Connector Bracket Mount For 4, 5 Or 6-Way Bracket
CURT MANUFACTURING
$22.49Universal Clamp-On Connector Bracket Mount For 4, 5 Or 6-Way Bracket * High Quality Connector Bracket Mount* Made Of High-Strength Steel* Short, Universal Clamp-On Mount For 4, 5 And 6-Way Socket Brackets * Compatible With Flat And Round 4-Way, 5-Way And...$22.49 -
Dual-Output Electrical Adapter W/ Tester Adapts 4-Way Flat Socket To Fit 4-Way Flat And 7-Way RV Blade Trailer Plugs
CURT MANUFACTURING
$54.194-Way Flat & 7-Way RV Blade Dual-Output Electrical Adapter W/ Trailer Plugs * High Quality Electrical Adapter* Adapts A 4-Way Flat Socket To Fit 4-Way Flat And 7-Way RV Blade Trailer Plugs * 4-Way Flat Output Connects Tail Lights, Brake Lights And Turn...$54.19 -
Clamp-On Connector Bracket Mount For 7-Way RV Blade Socket
CURT MANUFACTURING
$23.79Clamp-On Connector Bracket Mount For 7-Way RV Blade Socket * High Quality Connector Bracket Mount* Made Of High-Strength Steel * Long, Universal Clamp-On Mount For 7-Way Socket Brackets * Compatible With 7-Way Round And 7-Way RV Blade Sockets *...$23.79 -
4-Way Flat Connector Socket W/ 60 Inch Color-Coded 16-G Wires Connects Tail, Turn, Brake Lights
CURT MANUFACTURING
$10.694-Way Flat Connector Socket W/ 60 Inch Color-Coded 16-G Wires * High Quality Flat Connector Socket* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 4-Way Flat Output Connects Tail Lights, Brake Lights And Turn Signals *...$10.69 -
4-Way To 5-Way Flat Adapter For Boat Trailer Surge Brakes
CURT MANUFACTURING
$14.594-Way Vehicle To 5-Way Boat Trailer Flat Adapter For Boat Trailer Surge Brakes * High Quality Flat Adapter * Made Of Carbon Steel* Adapts Vehicle 4-Way Flat To Plug Into Boat Trailer 5-Way Flat * Intended For Boat Trailers With Surge Brakes * Fifth Wire...$14.59 -
Vehicle-Side 4-Way Round To 4-Way Flat Electrical Adapter Connects Tail Lights, Brake Lights, Turn Signals
CURT MANUFACTURING
$7.99Plug-And-Play Vehicle-Side 4-Way Round To 4-Way Flat Electrical Adapter W/ Slit Loom * High Quality Electrical Adapter* Made Of Plastic* Adapts A 4-Way Round Vehicle Socket To Fit 4-Way Flat Trailer Plugs * Simple Plug-And-Play Design Eliminates The Need...$7.99