Is my car delivering 12v during driving?
I have a suspicion that my Chevy Tahoe isn't providing 12v ("aux") power to my trailer while towing through the 7 pin connector. Let me start by saying that I don't know much about electricity. ...
Forum Discussion
My 1999 F-150, 2003 F-150, and 2011 Suburban all came with the fuses and/or relays for both trailer brakes and 12V charging circuits uninstalled. They are inexpensive if lost. Not everyone tows and there is some risk to keeping those hot all the time for those who do not know what their purposes are.
