I previously had the horn keep sounding continuously.It also blew the fuse. I since replaced the horn and everything seemed ok. I honked it a couple of times and patted myself on the back for getting it fixed. That was yesterday. Today when I went to honk it, it didn't sound. I checked the fuse and it was blown. I replaced the fuse and it blew instantly. There are two wires going to the horn. I believe they were green and black. The original horn had a special plug that the new horn did not have so I cut the wires and crimped on some terminals that slid onto the new horns terminal posts. Other than those two wires there are no other wires to the horn. I believe the ground is just the stud that mounts the horn to the mounting bracket. I used the existing mounting bracket that was used on the original horn. Please help I really do not want to have to wire a push button horn in this thing so it will pass inspection. I'd really like for the steering wheel horn to work.
Could be a short in the steering wheel or column. Or a faulty horn relay.
You may need a wiring diagram to trace the circuits from the relay.
Usually the black wire is the ground and the green is voltage from the relay.
SOURCE: 1997 Suburban and horn not working
behind the airbag is the horn switch i dont reccomend checking the the switch unless you know how to disarm the srs systems but i accidently leaned on it once pushed the plate in and when i pushed on it it went off but if i took my hand off it it would go back on otherwise their could just be a simple short
SOURCE: the horn doesn't blow. at
Your problem is most likely a defective clockspring assembly. This is also called "spiral cable assembly" it is located just under the steering wheel on the steering column and makes the connection between the main wiring harness and the circuits for the air bag and the horn. I cannot give you wire colors because your question did not mention year, make, model, engine size or whether the vehicle is equipped with cruise control or not. (cruise control makes a difference in the clockspring assembly used on your car.)
Anyway, the air bag and steering wheel has to be removed to fix it.
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