2012 Jeep Grand Cherokee T-One Vehicle Wiring Harness with For trailer wiring for your 2007 Jeep Grand Cherokee you would want the Tow Ready Wiring Harness part # 118425 which is a confirmed fit. It does not require a taillight converter since the taillight circuits of your vehicle match what the trailer wiring standards are. Meaning the turn signals and the brake signals are carried on the same circuit.4.6/5(32)Category: Custom Fit Vehicle WiringBrand: Tekonsha 2012 Jeep Grand Cherokee Trailer Wiring | etrailer Call 800-298-1624 to get Expert Service ordering a Trailer Wiring for your 2012 Jeep Grand Cherokee. Complete installation instructions and lifetime technical support on all Trailer Wiring purchases. Lowest price guarantee on accessories for your Jeep Grand Cherokee and the fastest shipping available.
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