Just like the title says i keep blowing the power mirror fuse. Nothing has ben done to the car at all to affect the electrical wiring on the circuit Car is a 1991 Subaru Legacy LS

hey J, i have extra parts, so i'd swap mirrors and the switch to see if that fixed it. those are the easiest and most obvious places to start in my oppinion.

 

if you don't have parts, check the electrical connects for signs of corrossion. you might be able to try disconnecting the power mirror and then using the controls to see if the fuse blows. don't know if that would isolate the controls, but it may. if the fuse blows after removing the mirror, then it's not the mirror. if it doesnt blow then it doesn't tell you much of anything.

i never though of that ill try unplugging the mirrors and see if that helps with anything. if i had the spare parts id try that but dont have anything for a legacy

Also inspect the wire harness where it runs from the pillar to the door. On a 1995 Impreza, I found that the rubber sleeves began to crack and tear, although the wires weren't chafed yet. I just wrapped the sleeves with insulation tape.

Yes I'd have a looksee at the power mirror wiring for chafing as well. There is a note on EndWrench about it for like '00-'02 Legacy's I think it was, but surely it could happen to other models as well.

good call. i know of one person with cracked up window problems...turned out the wire was exposed and rubbing against the body of the car. this was from the door to just inside the body of the vehicle i believe. passengers side, but completely different older generation soob.

Finally figured out what the problem was. Wires for the lighted visor mirrors were touching. Once i replaced the wires put a fuse in and all is well.