THOR Class C Series - Electrical Connections to a Towed Vehicle

WEIGHING, LOADING, AND TOWING
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Electrical Connections to a Towed Vehicle
A 4-way or 7-way trailer plug, supplied by the chassis manufacturer, is prewired to the chassis
electrical system. This plug provides electrical power for running lights, turn signals, stop
lights, and electric trailer brakes. Before connecting your motorhome to any towed vehicle,
verify that the wiring of the towed vehicle plug conforms to your motorhome connector
wiring. Refer to your Chassis Packet for additional information regarding vehicle towing.
Typical 7-way trailer connection
Signal Wire Color
Tail & Running Lights Green
12V Power Black
Reverse Lights Yellow
Right Turn & Stop Brown
Left Turn & Stop Red
Brake Controller Output Blue
Ground White
NOTE: Aftermarket adapters are available
to convert the wiring of a 7-way towing
vehicle connector to a 4-way trailer plug.
Typical 4-way trailer connection
4-way connectors (towing vehicle side) are typically wired as follows:
Signal Wire Color
Right Turn and Brake Green
Left Turn and Brake Yellow
Running Lights Brown
Ground White