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Old 08-25-2012, 11:17 PM   #1
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battery disconnect switch not working...no battery power

my 94 coachmen battery disconnect switch stopped working as it should. it works when hooked to shore power, but when running off the batteries nothing works. no lights no fridge, nothing. could this be the switch or is it possible the batteries are dead? I thought the coach charges the batteries when it is driving down the road, so there should be some juice there. is there a circuit breaker or fuse that I have missed someewhere?
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Old 08-27-2012, 06:35 AM   #2
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Is your switch left on all the time?
Should be able to read voltage of your batteries if its on.
Should always be on when ever your using you coach only off when storing the coach.
Needs to be on to charge your house batteries.
If yes to all this than you may have a problem with the relay that works off it dirty contacts or open relay wiring.
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Old 08-27-2012, 07:46 AM   #3
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Get a multimeter and you will know if the batteries are dead, charged or being charged.
The disconnect switch operates a solenoid that connects the batteries to the system. The solenoid is usually the problem because it usually opens and closes with a high current flow through it. The contacts in the solenoid get burned.
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