Posts Tagged: horn relay

Horn Honking By Itself: Most Common Causes

Why Your Car Horn Honks by Itself  — And How I Fix It as a Pro Quick Summary If you’re facing a situation where your car horn honks on its own, honks in the middle of the night, or won’t stop honking, there are only four possible causes: • A faulty horn switch in your steering wheel • A faulty clockspring located under the steering wheel • A bad horn relay • A short to ground in the horn wiring harness ahead of the horn relay First things first: Stop … Read More