7 Wire Trailer Wiring Harness Diagram. If there is no signal connect the circuit tester to another grounding location such as the exhaust pipe. Then test the signal going into the converter or modulite box.
7 way plug vehicle running lights brown auxilary right turn stop green backup lights electric brakes blkblue trailer - ground white left turn 1 stop yellow 6 way plug vehicle electric brakes running lights left turnstop xiliary right turn 1 stop. 7 pin trailer wiring diagram with brakes. Use the 7-pin connector anyway see below and just leave out the last 2 wires.
Wiring Diagram for Chevy Trailer Plug New Dodge Caravan Wiring.
Trailer Wiring Diagrams Trailer Wiring Connectors Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12V power supply for a winch or interior trailer lights. This vehicle is designed not just to travel one location to another but also to take heavy loads. Then test the signal going into the converter or modulite box. 7 way trailer plug wiring diagram ford f250.