Battery Charging and Isolation
Hi there. I have a brand new 2016 Arctic Fox 811S on my 2015 Silverado 3500HD. The truck has two batteries and two alternators (Duramax Diesel) and the camper has a pair of group 27 batteries wi...
Forum Discussion
NautiqueFamily wrote:
I don't think the previous post is entirely correct......... In my GMC 2015 3500HD Owner's Manual, it says the trailering 12v pins only charge a camper (Truck bed / 5er plug) if the lights are on or the transmission is in tow mode. That suggests isolation to some degree.
It would be good to confirm if this is correct . Seems like a crazy system . If you want your TT or TC to charge you must use tow/haul or turn the lights on . In the past on GM the charge line was always hot .Wonder what their thinking was ?:R
