I thought I had a bad battery. Would show fully charged when I disconnect the electric on my "commute Traillite motorhome", but would quickly drop to about 1 volts when I disconnect. I leave the refer on all the time, so that is a small draw (for the gas function). I replaced the battery thinking that I had a bad cell, but the new battery had the same issue. I finally checked the voltage at the battery and at the converter. There was about a 1.5 volt drop from the battery to the fuse box. I suspect a high resistance in a relay or fuse. Don't really know if there is a relay between battery and distribution system, but would imagine there is a slow blow circuit breaker of some type to protect the battery? Any thoughts?
Dan
2002 Trail Lite 211S; 8.1 Liter Chevy,
2007 Tundra Double Cab 4X4 - Hot Rod,
2005 30RLS Outback Sydney Edition,
2007 Jeep Compass
Thank you for the input. I actually did find out what the culprit was. After writing the post, I decided to try and trace where the voltage drop occurred. I ended up discovering one the relays (one of two that seem to have an isolating function) had a lose connection and the terminal felt hot to the touch (which equates to resistance induced heat. After tightening up that nut, everything is fine. Now there's a hundred + savings for Christmas!
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