7 Pin Wiring Diagram Tractor Supply. Check if you vehicle is negative switched. Tractor trailer 7 pin wiring diagram the 7 pin trailer plug is used on leisure trailers and autos.
If wiring a harness plug is not your calling check out the prewired models we sell that will give you a plug play. While shopping online select contactless curbside pickup in store for eligible items. Heres the diagram for 7 pin connector.
Blue pin for electric brakes.
Purple for backup lighting. Red 12 volt auxiliary power. This makes the process of assembling circuit easier. Buy the best range of pole carriers in australia.