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7 And 4 Pole Plug For Factory Tow Package Wiring On A 2018 Chevy Express Van

Question:

I have a 2018 chevy express van that I just installed one of your hitch receivers on. I also bought a wiring harness but I noticed under the rear of the vehicle there is a connector that looks like it should be for a trailer harness. Is there a plug in trailer harness that works for this connector?

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Expert Reply:

If the plug was located along the drivers side frame rail on your 2018 Chevy Express Van, maybe taped up or rolled up inside the frame rail with 7 pins. It could have a cap on it to protect the pins, it is most likely the tow package wiring. I would test the plug first. If they test out then all you would need is the 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End Item # HM40975 and a Curt No-Drill Bracket for 6-Way or 7-Way Round Trailer Connector Mounting Bracket - Long Item # C57202 to mount it to the hitch. I do recommend using Dielectric Grease for Electrical Connectors, 2 oz. Item # 11755 on your connections to help protect them from corrosion.

I have included a video which is on a 2014 however; the install should be the same and it walks you through how to install the bracket and apply the dielectric grease.

expert reply by:
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Shane H

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