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Old 09-18-2019, 05:02 PM   #1
Junior Member
Brand: Still Looking
State: Arizona
Posts: 3
THOR #16759
Exclamation Battery Disconnect Switch? 1996 Four Winds E350 Class C

Hello, I am having an issue with my coach interior lights I am unable to run the lights without turning on the generator. My coach battery is brand new and all connections are nice and tight. I am unable to find the battery disconnect switch anywhere in the coach, driver seat or under the hood.

I was able to find the manual for it but no where does it show anything about a battery switch. Someone please help I am frustrated !

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Old 09-20-2019, 03:43 PM   #2
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Brand: Thor Motor Coach
Model: Four Winds Infinity R-32
State: Utah
Posts: 58
THOR #2474
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Check the Thor Tech Forums. You probably have a Transfer switch of some kind that switches from 110 volt shore power to battery power when you are not plugged in to shore power. It appears your tramsfer switch is not transfering over to battery power. Could also be a blown fuse or breaker switch. If your unit has a Battery Isolator switch it could be the fuse or reset on the isolator which would be under the hood by the battery. Hope this helps.

2004 Thor Four Winds Infinity R32 F-53 Chassis Ford V-10 Toad is a 2017 Jeep Cherokee TrailHawk. My Blog: https://rvbloggers.wordpress.com/
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Old 09-20-2019, 04:49 PM   #3
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Brand: Thor Motor Coach
Model: Hurricane 32A
State: Florida
Posts: 1,763
THOR #2829
The transfer switch manages the shore power vs generator... Nothing to do with the 12v side of things (exception would be a transfer switch built into an inverter - but that wouldn't affect interior lights).

If the 12v lights, etc are not working without generator or shore power, then either the 'use/store' switch is in 'store' - typically located in the entrance stairwell area - or the 100A breaker is tripped in the battery box - flag will be out showing it is tripped.
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)
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