Interior blower fan dead...blowing fuses.

[phyrefighterjay]

I'm going direct from the battery.

[CTScott]

Originally Posted by phyrefighterjay

I'm going direct from the battery.

The fuse should be a 40A one, like what fed the circuit originally. You still have to be very careful, as 40A of current is enough to make a damaged wire, where not all of the conductors within the wire are intact, hot enough to start a fire, before the fuse pops.