Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
I have a 2020 ram 2500 hemi 4x4. It has the factory Trailer brake control module on the dash. Since I have had the truck, when I push the "+" button on the module, nothing happens. However, it will turn down. One of the saved trailers is set to a 3 on gain, so I have been able to test with my...