Towing Requirements – Trailer Lights And Wiring
Whenever you pull a trailer, regardless of the trailer size, stoplights and turn signals on the trailer are required for motoring safety.
The Trailer Tow Package may include a four and sevenpin wiring harness. Use a factory approved trailer harness and connector.
NOTE: Do not cut or splice wiring into the vehicles wiring harness.
The electrical connections are all complete to the vehicle but you must mate the harness to a trailer connector.
Refer to the following illustrations.

Four-Pin Connector
1 — Female Pins
2 — Male Pin
3 — Ground
4 — Park
5 — Left Stop/Turn
6 — Right Stop/Turn

Seven-Pin Connector
1 — Battery
2 — Backup Lamps
3 — Right Stop/Turn
4 — Electric Brakes
5 — Ground
6 — Left Stop/Turn
7 — Running Lamps
See also:
Trailer Sway Control (TSC)
TSC uses sensors in the vehicle to recognize an excessively swaying trailer and
will take the appropriate actions to attempt to stop the sway. The system may reduce
engine power and apply the brak ...
Occupant Restraint Controller (ORC)
The ORC is part of a Federally regulated safety system
required for this vehicle.
The ORC determines if deployment of the front and/or
side air bags in a frontal or side collision is required.
B ...
Service The Parksense Rear Park Assist System
When the ParkSense Rear Park Assist System is malfunctioning,
the instrument cluster will actuate a single
chime, once per ignition cycle, and it will display the
“CLEAN PARK ASSIST SENSORS” ...


