Trailer Wiring Harness Installation - 1996 Mercury Grand Marquis Video

How to Install a Trailer Wiring Harness on a 1996 Mercury Grand Marquis

Today on this 1996 Mercury Grand Marquee we're going to install part number 118326. This is a T1 vehicle wiring harness with four pull flat trailer connector from tow ready. Your first step is go ahead and open up the trunk. We need to remove the threshold right here because we need access to the liners that are covering up the back side of the tail lights. To remove our threshold, we need to go… see more >