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Old 04-09-2019, 04:21 PM   #1
Rocky49's Avatar
Brand: Thor Motor Coach
Model: Daybreak 22 GOC (aka 22E)
State: Alberta
Posts: 50
THOR #7302
What does battery level Thor Freedom Eltie 23H?

I have a 2014 Thorn Class C, Freedom Elite 23H similar to Four Winds, and Chateau. It has an idiot light system monitor panel, battery level, propane gas, fresh water level, grey water level, and black water level. There are a stack of idiot lights for each system being measured. What does the battery level light measure? Is it amps or volts?

I had a dying coach battery, a group 24 Napa, which I replaced with 2 Walmart group 24 deep cycles in parallel. To my surprise after driving 1200 miles the battery was reading level 3. ( maximum is level 4). So what am I really reading with those battery idiot lights?

Do I need a different charger?. I made sure that both new group 24 deep cycles were the same production month and bought at the same time but I could not charge them on the bench before installing them, as my previous battery failed on the road.


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Old 04-09-2019, 05:07 PM   #2
Senior Member
Brand: Thor Motor Coach
Model: 2013 ACE 30.1
State: Alberta
Posts: 1,012
THOR #2631
Well the battery idiot light should be measuring voltage on coach batteries, so if after driving many miles you are only on 3 of 4 lights you are “probably” not charging coach batteries properly via the engine alternator (if that’s how your coach is wired). I am not familiar with your specific coach and not all coaches use the same battery control systems for charging. What I would suggest is buy yourself a cheap multimeter and use the voltmeter portion to measure the voltage on your coach and chassis batteries under various charging conditions (one power source at a time : try shore power/generator running then engine running) to make sure they are all working. For the coach batteries to charge from shore power or generator (via converter) the use/store or on/off power switch for your coach needs to be on. If your coach is wired to connect the coach and chassis batteries together (having an emergency start switch beside the driver is one way to check) then there is a good chance your shore power can charge both coach and chassis batteries together; and also the alternator can charge both chassis and coach batteries together, under certain voltage conditions. If you don’t see any charging (13.1 volts or higher) when measure battery voltage you should investigate your charging system(s). A fully charged wet cell battery is 12.6 volts.
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