How to Replace a Doorbell
See how to replace your doorbell button and chimes. Step-by-step instructions show you how easy it is to repair a broken doorbell.
Step 1: Turn off power
Switch off the breaker.
Step 2: Detach faceplate
Unscrew faceplate of old push button.
Pull it away from the door jamb so you can see the back.
Check to ensure there is no current using a low-voltage meter.
Step 3: Disconnect wires
Secure the wires with tape so they don't fall back through the hole when disconnected.
Loosen the screws on the terminals to remove the wires.
Step 4: Reattach wires
Cut off damaged wire and strip off coating so you have about 1/2" of bare wire.
Bend the bare wire tip into a J shape and hook it around the terminal screw so it curls toward the same direction as the screw when you tighten it.
Tighten the terminal screws and wrap with electrical tape.
Step 5: Attach new faceplate
Step 6: Remove old door chime
Unscrew wires from old chime.
Label wires as you remove them so you know where to reattach them.
Remove old chime from wall.
Step 7: Install new door chime
Attach new chimes to wall.
Secure wires to corresponding terminals using labels in previous step.
Replace the chime cover.
Step 8: Turn power back on
Turn power back on and test new doorbell.