Trailer Wiring Harness Installation - 2003 Jeep Grand Cherokee Video

How to Install a Trailer Wiring Harness on a 2003 Jeep Grand Cherokee

Today on our 2003 Jeep Grand Cherokee we're going to be installing the Tow Ready T-One vehicle wiring harness with a 4-pole flat trailer connector, part number 118369. To begin our installation we're first going to need to raise the rear hatch of the vehicle. We're then going to need to remove a few of the interior panels in order to gain access to the plug. Next we're going to need to pop this… see more >