7 Pin Connector From Truck to Trailer
I have had an issue that happened now on two separate Silverado 2500's. When I would plug the trailer plug into the 7 pin receiver on the truck I would get an error message saying "Check Trailer Wiri...
Forum Discussion
Adding Dielectric grease to dirty contacts does nothing to clean those contacts. Spray some contact cleaner into your trailer plug contacts. You could even go so far as to run an emery board in and out of each contact. Then add your grease to prevent future corrosion.
