What is making fuse blow and how can I fix it?
That is easy, a shorted horn or its wires.
there are only these ways to find it.
1: pocket full off fuses, and pull horn lug and test for blowing fuse.
2: and ammeter,.used to find it.
3: visual inspection of the whole horn wiring harness.
they also sell a fuse adaptive circuit breaker (test) so you dont need a pocket full of fuses.
4: willynilly guessing, new horn, new horn relay, then dang back to #1 or 2.
SOURCE: horn fuse keeps blowing out
Check the wiring around the horn and make sure nothing is touching metal...look under the hood at the horn and make sure everything is pluged in and there is no water on any plugs or wiring...Make sure the fuse is the correct number (ex: 10, 20, 25) If it is still blowing out the fuse then you after you do some checking then it is a short in some wires
SOURCE: GMC Sierra 1994 The ctsy fuse .
Hi; I believe the cigar lighter is on that fuse and that was a problem on these vehicles.
SOURCE: 2005 Jeep Liberty Horn wont shut off
wiggle the horn on the colum if it stops then the spring on the horn pad has gone bad
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