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Old 12-02-2019, 11:35 PM   #14
OldWEB
Senior Member
 
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Brand: Thor Motor Coach
Model: 2011 FW Hurricane 33T
State: England
Posts: 1,296
THOR #16471
Battery Isolator

Quote:
Originally Posted by dqninh View Post
Hi All,

I finally figured out, it is the converter that drains out the Chassis battery. If I don't connect my RV to the home electric, the battery will be ok. But as soon as I connect the RV to my home electric, the battery will die in 2 days, no matter if I leave the Battery Connect switch on or off.

Under the hood, next to the battery, I found the RV come with the battery relay and isolated battery relay delay (BatteryDelayxxx)


I also found the box that have all fuses and 1 circuit breaker.

By looking at the images (fusebox.jpg and fuseboxmap.jpg) of the fuse box, can anyone of you identify the fuse/breaker for the Chassis battery and/or the house battery?
Did you say if you had (and can use) a multimeter? You said your chassis battery will die and no lights work in the back. This isolator is to isolate the chassis battery to prevent it from draining. I have attached the manual, I hope you can trace it out. It also has a part "Chassis battery continues to drain", may be your problem.


Stay cool
Attached Files
File Type: pdf Isolator delay relay.pdf (54.5 KB, 30 views)
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