Trailer Wiring Harness Installation - 2009 Chevrolet Equinox

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How to Install a Wiring Harness for a Trailer Hitch on a 2009 Chevrolet Equinox

Today on this 2009 Chevrolet Equinox we are going to be installing wiring harness, part number 118432. We are in the rear cargo area of the Equinox and we are going to locate the port that we are going to be pulling the wiring harness into. This is an open ended port, which is located in the floor area of the jack storage compartment. The first thing we need to do is remove the door here and also remove the jack. I will set that off to the side for the time being. :27

It is going to be kind of hard to see, but if I pull the insulation up here, and you take a look inside, you can see the open ended port that is located right there at the bottom area, almost directly below where the jack was stored. What we are going to do is take our open ended wiring harness plug here and plug that directly in. you can see also, that you have an open ended white wire, which is our ground wire. If you look down there again, you can see there is a grounding stud located just to the forward side of where our plug is located. :53

With the port and grounding stud located , we can start installing our harness. To remove the nut off the grounding stud you are going to need a 10 millimeter socket. That is all there is to installing it here at the rear section of the vehicle. You can see the four pole, when not in use can be stored inside the storage compartment. When we want to use it we can just pull it outside the rear cargo door. The weather stripping here at the backside will prevent that from being pinched, so you do not have to worry about that. From there, I am going to remount the jack in the storage compartment, and then we are going to go up under the hood and connect our fuses and relays into place. 1:25

We are up underneath the hood now and we have located our fuse block that we need to plug our fuses and relays into place. This fuse block can be located over on the driver side, just forward of the fire wall here. I am going to go ahead and lift the lid on it. If you look at the backside of the lid, all our fuses and relays are numbered in position. We are going to start by plugging our relays into place. We are looking to plug in our relays at position 58 and 59. These relays are going to activate our right turn and right stop leads and our left turn and left stop leads. When plugging the relays into place, we want the slope side of the relay facing towards the driver side of the vehicle. 2:05

There are three fuses that we need to plug in place as well. These, again are provided with our installation kit and are all 10 amp fuses. For these we need to locate fuse positions number 35, 37, and 43. Position 35 is located right here. Position 37 is located right here. And fuse position 43 is located right here. With the two relays and three fuses in place all of our leads in the tow package should be active now. We want to reinstall the lid to our fuse block and our installation will be complete. This will conclude the installation of wiring harness part number 118432 on a 2009 Chevrolet Equinox.

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Info for this part was:

Employee Zack K
Video Edited:
Zack K
Employee Andrew K
Video Edited:
Andrew K
Employee Joshua S
Video Edited:
Joshua S
Employee Chris R
Video Edited:
Chris R
Employee Cole B
Installed by:
Cole B
Employee Brent H
Test Fit:
Brent H

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