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International Automotive Technicians Network
Re: Swelled fuse but not blown?
Posted to Technical Discussion Forum on 3/1/2020

30-amp fuse in a 20-amp slot?

Count me with the folks who suggest the 20-amp blew because of overload, but the steady-state current is not enough to blow the 30-amp.

Of course, contact resistance in the fusebox can be a contributing factor.

I think I wou... Login to read more.