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Arktikos's avatar
Arktikos
Explorer
Mar 14, 2015

What amp fuse for charging circuit from truck Alt?

I have a new (to me) 2006 Chevy 2500 and a camper to go with it. This truck has a factory tow package but the red wire "battery feed" on the factory plug at the bumper is dead, even with the truck run...
wolfe10's avatar
wolfe10
Explorer
Mar 14, 2015
Fuses are sized to protect the WIRE, so the wire gauge will determine the correct fuse.

It will be in the range of 10-30 amp depending on wire gauge It will be in the line from isolator (right at the isolator)to the camper.

Be sure to run a comparable gauge ground/negative wire from camper to truck frame.

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