Some reverse beepers are mandated by law, but if the beeper on your garden tractor or pickup is driving you crazy and the vehicle is for personal use only, you can easily disconnect it. It won't change the way your vehicle operates, except for the fact that your won't be listening to that distracting, nerve-racking beeping when you put it in reverse.
Open any and all compartments if it is a lawn tractor. Raise the seat, and lift up the engine bonnet or cover. If it is a pickup or truck, lift the bonnet. Look in each and every compartment until you locate a small black box. The box should be clearly marked with a speaker icon.
Stand outside the vehicle and instruct an assistant to put the vehicle in reverse while holding the brake on. When the beeper starts to beep, confirm its location by the sound.
Shut off the vehicle.
Pull loose both wires that are attached to the bottom or side of the black beeper box. It is a simple metal sliding clip that just pulls off.
Wrap both ends of both wires with black tape make sure to cover all parts of the metal clip with tape. Fold the wires together and wrap tape around them to keep them from interfering with any other wires.
Do not disconnect any forklift beepers. They are all mandated by law. Most simple beepers have metal clips for the wires. You may encounter some that are secured by small nuts. Just use a small pair of pliers to remove the nuts and tape the ends of the wires.
Don't touch the ends of the wires to any metal part of the vehicle. It won't shock you, but you could blow a fuse. Only disconnect the beeper is you are absolutely sure that you and others will be safe without it. Check with your local law enforcement to avoid breaking any laws before disconnecting it.