Trailer Plug Wiring Diagrams Use the correct size cable for the plug/socket - most standard plugs will accept up to a 4mm auto cable easily. The 12-pin flat plug have a second row of 5 larger points which will accept up to 6mm auto cable.. Diagrams are from cable entry view TDR06904 Part Number 1 6 5 3 2 7 4 TDR06905 Part Number 4 7 2 3 5 6 1 7 PIN ROUND LARGE PLASTIC TRAILER SOCKET 7 PIN ROUND LARGE METAL TRAILER SOCKET 7 PIN FLAT PLASTIC TRAILER SOCKET. TRAILER PLUG. Created Date: 5/19/2017 1:54:49 PM.
![[DIAGRAM] 7 Pin Trailer Wiring Diagram Printable](https://annawiringdiagram.com/wp-content/uploads/2019/02/silverado-7-pin-round-trailer-plug-wiring-diagram-wiring-library-trailer-wiring-diagram-7-pin-round.jpg "[DIAGRAM] 7 Pin Trailer Wiring Diagram Printable")
Here's the wiring diagrams showing the pin out for the plug and socket for the most common circle and rectangle trailer connections in use in Australia. I put this here because I had a hard time finding and figuring this out for my trailers.. Thank you for a well written descriptive article on the ins & outs of the 7 pin QLD plug wiring.. 7 pin plug€7 €tail, clearance, side markers€ -€ brown Large Australian standard trailer wiring connections All Diagrams are viewed from the outside of the plug or socket . 7 pin socket7 pin round heavy duty plug & socket Heavy Duty. Trailer Wiring Diagram.xls Author: