12 volt help
both batteries read 12,8 and 12.9 two yr,s old not much use.out of the rv, problem.plug in dig meter in coach reads ,13,44 when plugged into shore power .turn shore power off and turn one light on m...
Forum Discussion
You are receiving some good advice. Charge then up then test. If they will not hold charge then load test them at any auto parts. Here is a good link if you want to test yourself.
http://blog.rv.net/2009/11/testing-your-battery-state-of-charge/
http://blog.rv.net/2009/11/testing-your-battery-state-of-charge/
