How do you fix the horn on 1991 firebird?

Answer 1

First thing that you need to do is check the fuse in the fuse box. If this is good then next you need to check the Horn relay. It is just to the passenger side of the steering wheel under the dash. It is a little difficult to get to. I advise sitting upside down in the seat of the car with your feet over the top of the seat. Next you will have to remove the black plastic cover that runs along under the dash from the side by the door to the center of the car. It is held on with 2 clips that easily remove. Next you will see a black box that unplugs easily. This is the buzzer for the seat belts etc. The relay is behind the buzzer. It is a three pronged square relay. I advise looking at a picture on one at auto-zone or oreileys website. This part is only about $6 and is usually the problem if the fuse is good. If it is neither the relay or the fuse ten it is one of three things. either the horns themselves that re located in the front driver's side fender, the wires are broken (probably in the steering column) or the switches in the steering wheel. There are 2 horns and two switches. If the relay is good and the fuse is good, then the wiring is most likely the problem if neither horn blows with either switch. (both switches work both horns). To test the horns remove the wire and use a multiimeter to see if you have power to the horn. If you have power at the horns then the horns are no good. If you have no power at this point then I would buy an aftermarket horn switch and run the wiring strait from the fuse box to the horn relay. find a wiring diagram for help on that. God Bless and best of luck to all.