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Home » Public Forums » GMCnet » *New Owner* Battery Bank Questions..... (New Owner planning on full time boondocking in need of power solutions......)
Re: [GMCnet] *New Owner* Battery Bank Questions..... [message #327103 is a reply to message #327100] Thu, 14 December 2017 13:21 Go to previous messageGo to previous message
k2gkk is currently offline  k2gkk   United States
Messages: 4452
Registered: November 2009
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Some battery manufacturers build a combination 34/78 battery which has both side terminals AND top terminals. My 1999 GMC 2500 Sierra pickup was equipped with the side terminal connection. I use the top terminals for my ham radio equipment.

D C "Mac" Macdonald
Amateur Radio K2GKK
Since 30 November '53
USAF and FAA, Retired
Member GMCMI & Classics
Oklahoma City, OK
"The Money Pit"
TZE166V101966
'76 ex-Palm Beach
k2gkk + hotmail dot com



________________________________
From: Gmclist on behalf of Ken Burton
Sent: Thursday, December 14, 2017 13:13
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] *New Owner* Battery Bank Questions.....

To answer your number of and location of batteries questions we need to know the year, model, and length of the coach.

Some years had all of the batteries up front and one tiny one in the rear just for starting the ONAN. Other years have only the engine battery up
front and the house battery(s) in the rear with no standalone battery for starting the Onan generator. Then there is the 23 foot coach that moved the
batteries again and the non-GMC upfitted coaches like Avion and Coachman that did their own thing. There is possible previous owner modifications to
the standard ones made by GM. So let us know what year and model you have and we will try to answer your question.

Note: The engine battery should always be up front and a normal engine starting battery just like your car. I like group 31A or group 27 up there
but not Deep Cell or golf cart type batteries. Other starting batteries will work. Starting type batteries are designed for brief use at high
current for starting.

The house batteries are deep cell higher capacity batteries designed for a lower rate of drain but over an extended period of time. These are the
batteries that have been installed in various locations in the coach.

Ken B.
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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