Help Me Understand
I have a 2013 Chevy Silverado Extended Cab with 5.3 engine with 77000 miles on it. I purchase this vehicle in April 2019. I have driven it about 2000 miles and pulled my 23 trailer with no problems. ...
Forum Discussion
The GM trucks have a process to cut the field current in the alternator so they don't charge when the battery is full up and there is no other loads. This improves fleet fuel economy ratings. Nothing wrong. There was a tech bulletin on this.
