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hpcrank · 03-06-2012, 03:29 PM

We just aquired (last fall) a 1989 GMC Topkick with a 12' Aero Lite conversion. It lives in a garage and we have been pulling it out every 3 or 4 weeks, letting it run and driving around the section a few times. Last time when we put it back in the garage we opened the battery bay to hook up a trickel charger and noticed that the battery for the on board Ownan generator was smoking. We removed the smoking battery and noted that the battery cables and terminals were not excessivly warm. The battery is a sealed conventional 12v. DC automotive type battery.

Two questions 1) what would cause the battery to smoke other than a direct short to ground? and 2) are most generator batteries charged by the truck when running or by the generator set itself? Our generator battery has a + cable thru an automatic re-set circuit breaker to the parallell connected truck batteries +, is that normal?

New to this so any advice would be appreciated.

03-06-2012, 03:29 PM	#1
hpcrank Junior Member Join Date: Mar 2012 Location: Colorado Springs, Co Posts: 11	hpcrank We just aquired (last fall) a 1989 GMC Topkick with a 12' Aero Lite conversion. It lives in a garage and we have been pulling it out every 3 or 4 weeks, letting it run and driving around the section a few times. Last time when we put it back in the garage we opened the battery bay to hook up a trickel charger and noticed that the battery for the on board Ownan generator was smoking. We removed the smoking battery and noted that the battery cables and terminals were not excessivly warm. The battery is a sealed conventional 12v. DC automotive type battery. Two questions 1) what would cause the battery to smoke other than a direct short to ground? and 2) are most generator batteries charged by the truck when running or by the generator set itself? Our generator battery has a + cable thru an automatic re-set circuit breaker to the parallell connected truck batteries +, is that normal? New to this so any advice would be appreciated.