7 Pin Tow Wiring Diagram. By margaret byrd june 13 2021. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today.
This is currently the most popular plug used for towing as it does the lighting on most trailers and caravans. Plug size is similar to an australian 10c coin. White pin to your floor.
If you look at a socket or plug you should be able to see the pin lables 1 7.
Heres the diagram for 7 pin connector. In some cases and more often in europe the trailer light will be connected using a 13 pin plug and socket. The black battery wire should be same size as the white ground wire 10 gauge in chart faq311 7 way trailer diagram rv2800 the picture below this chart shows correct wiring for rv plugs. For example in case a module will be powered up and it also sends out the signal of fifty percent the voltage and the technician would not know this hed think he has a problem as he or she.