How To Install A New Car Horn. Connect nylon tubing item 10 to mounting elbow using brass insert item 8 and compression nut item 9. This is where the 38 drill bit comes into play.

Run a wire from the 12 volt source to one side of your horn button. As you drill the hole be mindful to not drill into the three screw holes that hold the horn button ring to the steering wheel. To begin to install a car horn you will firstly need to find your horn which is normally located on the radiator support or immediately behind the radiator and the grille.
If necessary install the included compressor to your firewall or a fender.
Remove the bolt from the horn bracket. Unscrew screws of the wheel housing liner at the front left and right. After installing your new loud car horn if the warning is still there try removing it with a diagnostic tool. The all-in-one horn design no separate air compressors or air hoses attaches to existing factory wiring to make installation easy.
