Wiring Harness for 2019 GMC Terrain Without Factory Tow Package

Updated 08/06/2019 | Published 08/04/2019

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Question:

I have a 2019 gmc terrain without the tow package.could you tell me which wire harness i need for a 4 pin. If possible could you give me the number for curt mfg.

asked by: Dan O

Expert Reply:

There is a wiring harness for your 2019 GMC Terrain without the tow package, the Vehicle Wiring Harness # C59236.

If you are looking to tow you can add a trailer hitch with the Draw-Tite Trailer Hitch Receiver # 76419 for a NON-diesel '19 Terrain, or the Draw-Tite # 76217 if you have a diesel model.

I also recommend checking out the Rapid Hitch Adjustable, Aluminum Ball Mount Kit w/ 2 Zinc Balls - 4" Drop or Rise Item # AM3462 which gives you up to 4" of rise or drop or # AM3411 which gives you up to 6-1/2” of rise or 5-1/2" drop. Both of these ball mounts can be adjusted in 1” increments to ensure you can tow level, and they come with a 1-7/8" hitch ball and 2" hitch ball to pair with your trailer's coupler.