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Old 08-13-2021, 08:18 AM   #1
Junior Member
 
Brand: Thor Motor Coach
State: California
Posts: 13
THOR #23952
cab battery drain

my new, used, 34j keeps running the cab battery down as the household batteries drain. I had to put a knife switch on the negative side of the cab battery to keep it charged when shore power or generator is off. I thought an isolator would trip if this happened to separate the circuits.

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Old 08-13-2021, 09:33 AM   #2
CHS
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Brand: Thor Motor Coach
Model: 2019 Chateau 28Z
State: Tennessee
Posts: 242
THOR #22388
Quote:
Originally Posted by pokeybait1 View Post
my new, used, 34j keeps running the cab battery down as the household batteries drain. I had to put a knife switch on the negative side of the cab battery to keep it charged when shore power or generator is off. I thought an isolator would trip if this happened to separate the circuits.
Do should have a switch that allows you to start the truck using the house batteries in case the cab batteries go bad. If so, check, make sure it is off or not stuck in the on position.
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Old 08-15-2021, 01:55 AM   #3
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Brand: Thor Motor Coach
State: California
Posts: 13
THOR #23952
ok, thanks.
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