Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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KHLOW2008
CAR REPAIR CONTRIBUTOR
41,814 POSTS
Horns are mostly non repairable. If it ia bad, it has to be replaced. If it is the wiring circuit, you must get a test light and start checking from the fuse to the horn pads.