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Wiring Harness Installation- 2002 Pontiac Montana

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How to Install a Trailer Wiring Harness on a 2002 Pontiac Montana

Today we are working on a 2002 Pontiac Montana. We will be installing a Tow Ready T-One connector, part number 118355. Our first step is going to be accessing the rear cargo area of the vehicle. We are going to remove the storage compartment door. Then remove these two plastic tabs here and pull back the trim panel to see if we can access our trailer plug from here. :22

Now that we have located the manufacturers connection, you will see the Tow Ready connector is identical to it. We are going to disconnect the manufacturers connection, and then plug in to either end of the Tow Ready connector. Plugging it inline with the manufacturers connection. :42

You will see here that our white wire is our ground wire, it already has a ring terminal on it. We are going to use a self tapping screw to screw it into the sheet metal of the vehicle. The perfect location to mount our ground wire is going to be below the seat belt re-tractor here behind the panel. With our ground mounted, we need to route our four pull connector. Feed the 4-pole connector wire down through the trim panel and pull it out. Then we can start reinstalling our interior. 1:14

Here are some quick steps on how to use your 4-pole connector. Take it out of your vehicle, route it down to the center and to the hitch where you will be using it. Just make sure you stay away from the latch for the door. The weather seal is thick enough that it will not harm the wire. Simply close the door and you can use your new 4-pole connector. With our new 4-pole connector installed, that completes the install of the Tow Ready T-One connector, part number 118355.

Info for this part was:

Employee Joe V
Test Fit:
Joe V
Employee Zack K
Video Edited:
Zack K
Employee Mike H
Video Edited:
Mike H
Employee Andrew K
Video by:
Andrew K
Employee Cole B
Installed by:
Cole B

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