I have a 14 fleetwood tioga montera 25k. When I’m park the generator works great but when i drive it automatically trips the buss fuse by the battery and shuts the generator off. I have replaced the buss fuse several times. It will start without it, my question is, what can the issue be? Is there even supposed to be a buss fuse to begin with? Is it a fire hazard to remove it? It only trips when i start driving.

Have you had any battery work done? Sounds like the chassis and coach system have reversed polarity!

I actually did when i bought it from the dealership as the previous batteries were no good. (Dealer replaced as part of the sale) is there a cable or a way to double check that?

As a guess only I say the motor RV generator is causing an overload charge to the battery and electrical system when driving causing the buss fuse or breaker to trip. When in park not as much voltage output from car/truck/RV generator to trip the buss.Correct me if I am wrong.

Go to the 12-volt coach power distribution panel and use a voltmeter to check polarity.I am guessing your two different system batteries are located under the hood. Verify that negative is connected to ground and positive goes to the 12-volt coach power distribution panel.Not sure what type of battery isolation system you have. It could be a diode based or a relay based. Clarify what you mean about generator works but when I drive it trips the buss fuse?

This is a class c motorhome. The batteries for the home part (rv portion) is under the step. Under the step there’s two wire that are for the generator. There’s a 100amp buss amg fuse. It’s totally fine when the engine is off and the generator is going. But when turned on, the fuse is tripped from anywhere from 10 minutes to three hours (three hours being the longest, usually it’s within 5-10 minutes)

What could be the issue? | Good Sam Community

enblethen
Nomad
Aug 18, 2023
Go to the 12-volt coach power distribution panel and use a voltmeter to check polarity.
I am guessing your two different system batteries are located under the hood. Verify that negative is connected to ground and positive goes to the 12-volt coach power distribution panel.
Not sure what type of battery isolation system you have. It could be a diode based or a relay based.
Clarify what you mean about generator works but when I drive it trips the buss fuse?
NamMedevac_70
Explorer II
Aug 18, 2023
As a guess only I say the motor RV generator is causing an overload charge to the battery and electrical system when driving causing the buss fuse or breaker to trip. When in park not as much voltage output from car/truck/RV generator to trip the buss.

Correct me if I am wrong.
Nathandeal1
Explorer
Aug 18, 2023
I actually did when i bought it from the dealership as the previous batteries were no good. (Dealer replaced as part of the sale) is there a cable or a way to double check that?
enblethen
Nomad
Aug 18, 2023
Have you had any battery work done? Sounds like the chassis and coach system have reversed polarity!

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