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You can replace the horn button on your 1992 Pontiac Bonneville by removing the center steering will cover. Remove the horn button retaining screws. Remove the horn button wiring harness. Reverse the process to install your new horn button.
peel the horn button's vinyl cover off first. then unscrew the horn button off. peel the horn button's vinyl cover off first. then unscrew the horn button off.
first remove wire to horn. see if power is going to horn when horn button is pushed. if it does its a horn problem, if not it is probably in the horn button itself.
If it is the same as my 68, the horn button is held in place by a rubber o-ring under the button. carrefully work a thin, flat screw driver under the edge of the horn button and TWIST. Be careful not to chip the button. This should pop out the horn button.
Very carefully
cut the cheese
I quess is that the spring plunger that is behind your horn button is defective. Remove the steering wheel to replace it.
If you have a Eurosport version simply gently pry around the edge of the button with your fingers and it will lift off. If you have the standard version the horn button is held on with screws through the spokes from the back side of the steering wheel.
You must first remove the airbag. This has to be done following directions from a service manual. If you do it incorrectly the airbag can be set off. If your horn isn't working it is probably the spring loaded button in the steering wheel behind the airbag. The plastic keeper breaks and the spring won't hold the button down.
if the horn is already there and is bad, just disconnect the two wires on it, unscrew horn, remove it and reinstall the new one and reconnect the wires. If you don't have a horn, then find a suitable place under the hood and drill X number of holes. The switch is wired in series with the battery and horn. The button is placed at a convenient place you can get to it when you want to blow the horn.
To wire up a car horn with a button you first need to run one of the wires from the horn to the battery. Take 1of the wires from the horn and run it to where you want the button to go. Connect the wire to the button and that's it.
You remove the horn button if its in the middle.. Or just remove the plastic in the middle of the steeringwheel. Then take a 24mm i think and unscrew the big nut. Then remove the wheel.