Contrail Trailer Wiring Diagram. The red and blue wire can be used for brake control or auxiliary. This color trailer wiring diagram will help you when you need to connect your trailer to your truck's wiring harness or repair a wire that isn't working.
The remaining wires get installed underneath. Special control handles around each symbol allow you to quickly resize or rotate them as necessary. It shows the different components of the circuit as simplified and standard pictograms, and the power and signal connections.
This color trailer wiring diagram will help you when you need to connect your trailer to your truck's wiring harness or repair a wire that isn't working.
Our trailer wiring diagram is a colour coded guide designed to help you wire your trailer plug or socket.
Complete with a color coded trailer wiring diagram for each plug type, this guide walks through various trailer wiring installation solution, including custom wiring, splice-in wiring and replacement wiring. This is a basic reference article about trailer and caravan wiring; the plugs and sockets that are commonly in use in Australia, and the pin colour codes that are designed to coordinate proper connections, according to Australian Standards. Special control handles around each symbol allow you to quickly resize or rotate them as necessary.