Semi Trailer Wiring Harness Diagram Trailer Parts Superstore sells truck and semi tractor trailer electrical harness systems and bulk spools of wire. Shop for Main Modules, Jumper Harnesses, Mid-Turn Modules, ABS Modules & Rear "T" Modules.
Semi Trailer Wiring Harness Diagram Cable/Wire Support & Accessories. Electrical Connectors. Trailer Harness Systems. Air Assemblies. PERMALITE™ HD Trailer Lighting. Air Connectors. Trailer Power Management Systems. Electrical & Air Combo Assemblies. Tools & General Accessories. Cable & Wire. Trailer Harness Systems.
Semi Trailer Wiring Harness Diagram Harnesses, Wiring & Wiring Accessories Plugs, Sockets & Strings. Harnesses. Wiring Accessories. Trailer Connector Cable Replacement Plugs. Trailer Connector Cable Replacement Plugs (4) Trailer Cords (4)
Semi Trailer Wiring Harness Diagram Trailer wiring and harness plugs are available in a variety of sizes and configurations. The most basic of designs is the color coded 4-WIRE system which uses a brown wire for tail, license, and side marker lights, yellow wire for left hand stop and turn, green wire for right hand stop and turn, and white wire for system ground.