The 2011 Jeep Grand Cherokee four-pin harness trailer towing located nder the rear bumper. The four-pin harness must be unclipped before use. Use a factory-approved trailer harness and connector. The electrical connections are all complete to the vehicle
but you must mate the harness to a trailer connector. Refer to the following illustrations.

Jeep Grand Cherokee Four-Pin Trailer Towing Connector

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

Related Post

Using Toyota Electrical Wiring Diagram
Honda Civic Radio Installation Guide and the Wire Harness
Nissan Altima Wiring Diagram and Body Electrical System Schematic
2006 Chrysler 300 Instrument Panel Wiring Harness
2002 Honda Civic Immobilizer System Circuit Diagram