okay so i have two fuses that keep burning out. my horn and the emergency flashers which also control the turn signals there both 10a fuses and they keep shorting out within the day. ill replace it in the morning and by midday theyll burn out. i do not know what the problem is. at first it was just my horn. but 2 days ago my flashers fuse went out. i replaced it and within the end of the day it was out again? what could possibly be causing this to happen??!

 

id check the wires. you might have a cut somewhere or just grounding out where it shouldnt be grounded.

 

I did some work on a mercury that had its turn signal fuse keep burning out. Thing was for their car that fuse happens to also connect the shift lock on the automatic so no turn signals means you couldnt put it in gear!!!!! and there was no manual release for it. Long story short try pulling your reverse lights to see if one is grounding out, this was the case on that particular car .

 

make sure the fuses are the appropiate amperage.. itll save you tons of time :-) .. if all else fails switch to a higer amp fuse, if that still fails then its a ground for sure!