2005 Jeep Grand Cherokee Owner Manual - Page 286
2005 Jeep Grand Cherokee Manual
Page 286 highlights
286 STARTING AND OPERATING Trailer Tow Wiring The Trailer Tow Package includes a 4 and 7 pin wiring harness located at the rear underbody of the vehicle. NOTE: Connect trailer lighting and brakes using factory harnesses only. Do not cut or splice wiring to the brake circuits. The electrical connections are all complete to the vehicle but you must mate the harness to a trailer connector. Refer to the following illustrations. 4-Pin Connector
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Trailer Tow Wiring
The Trailer Tow Package includes a 4 and 7 pin wiring
harness located at the rear underbody of the vehicle.
NOTE:
Connect trailer lighting and brakes using factory
harnesses only. Do not cut or splice wiring to the brake
circuits.
The electrical connections are all complete to the vehicle
but you must mate the harness to a trailer connector.
Refer to the following illustrations.
4–Pin Connector
286
STARTING AND OPERATING