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Old 12-11-2017, 05:37 PM   #41
Montana Fan
Join Date: May 2017
Location: Coeur D Alene
Posts: 234
M.O.C. #19835
Originally Posted by MAVetter View Post
Jason & Wendy,
Awesome info! Much appreciated.
Will look into adding a 2nd 12volt battery.
Thank you,
You might consider getting two new batteries. It's usually not a good idea to mix and match or add new with older.
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Old 12-12-2017, 06:14 AM   #42
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Join Date: Jun 2015
Location: owen sound
Posts: 312
M.O.C. #17566
The Gm's also have a fuse on the charge line (pin) or at least they did on the 2015's and prior. Popped a few on the 2015 by plugging into shore power prior to disengaging from truck. Haven't had that problem on my 2017 Denali..
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Old 12-13-2017, 04:01 AM   #43
Phil P
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Join Date: Mar 2011
Location: Okeechobee
Posts: 1,970
M.O.C. #11206

While you all are considering upgrading your battery system I would recommend installing a battery fuse.

I did many years ago and it has saved me a very expensive repair one time.

West Marine

1 terminal stud fuse block M/N 9368895

The fuse cost about $17 and the terminal mount about $28
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