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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On Sale
4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires
AFTERMARKET
Now: $4.09Was: $5.85Molded 4-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 4-Way * Flat Molded* Female/Male * With Polarized Plugs* 4-16 AWG * Color-Coded Wires* Splice Into Wiring Assembly For Hook-...Now: $4.09Was: $5.85 -
On Sale
4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 12 Inch 18 AWG Wires
AFTERMARKET
Now: $4.10Was: $5.86Moisture Proof 4-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 4-Way * Flat* Moisture Proof* Female/Male * With Polarized Plugs* 4-18 AWG * Color-Coded Wires* Splice Into Wiring...Now: $4.10Was: $5.86 -
3-Way FM Flat Trailer Connector And M 3-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires
AFTERMARKET
$5.85Molded 3-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 3-Way * Flat Molded* Female/Male * With Polarized Plugs* 3-18 AWG * Color-Coded Wires* Splice Into Wiring Assembly For...$5.85 -
5-Way FM Squared Trailer Connector And M 5-Way Squared Trailer Connector W/ 12 Inch 18 AWG Wires
AFTERMARKET
$8.15Moisture Proof 5-Way Squared Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connector * 12 Inch Length * 5-Way Squared * Moisture Proof* Female/Male * With Polarized Plugs* 18 AWG 12 Inch Length Color-Coded Wires*...$8.15 -
Powder-Coated Steel 4-Way Or 5-Way Flat Output Easy-Mount Wiring Bracket
CURT MANUFACTURING
$14.694-Way Or 5-Way Flat Output Easy-Mount Wiring Bracket * High Quality Wiring Bracket* Allows Connectors To Be Hitch-Mounted With No Drilling Or Clamping Required * Accepts 4-Way Or 5-Way Flat Connector Sockets * Fits Virtually Any 1-1/4 Inch X 1-1/4 Inch...$14.69 -
Non-Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output Mounts To Surface of Board
CURT MANUFACTURING
$27.79Non-Powered 3-To-2-Wire Taillight Converter W/ Extra 4-Way Flat Connector Loop, 4 Wire Connectors & Snap Locks * High Quality Taillight Converter* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects...$27.79 -
5-Way Flat Output Connector Socket W/ 60 Inch 16-G Color Coded Wires
CURT MANUFACTURING
$15.89Vehicle-Side 5-Way Flat Output 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...$15.89 -
4-Way Or 6-Way Round Connector Mounting Bracket
CURT MANUFACTURING
$1.59Zinc Plated Steel Mounting Bracket For 4 Way Or 6 Way Round Connector Socket * High Quality Connector Mounting Bracket* Securely Mounts 4-Way Or 6-Way Round Connector Sockets * Allows For Attachment To The Vehicle Or Trailer Hitch * Multiple Screw Holes...$1.59 -
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