Using a 2014 GMC Sierra in dinghy towing
We just purchased a 2014 GMC and are having the tow system installed. We were told by the dealer that the process was identical to our 2011. WRONG. Never had to unhook the negative terminal from th...
Forum Discussion
A 2015 needs the neg. post disconnected. But if the OP wants a professional answer to his question look in the owners manual.
Moisheh
Moisheh
