The voltage to the sensors is usually transformed at the main opener to low voltage probably dc but maybe ac.
Garage door opener switch voltage.
I put a multi meter on the connectors and it looks like the garage door wall switch provides a continuous 10v and a cut in that voltage opens the door.
Usually 12 volts dc so your 13 volt reading is likely correct.
Then buy a non illuminated push button that falls into this voltage range.
Garage door openers use a receptacle in the ceiling for power.
In the garage open up the door opener.
So i guess i need a switch relay that can pass the 10v through and cut in for a few milliseconds.
The door will close only when holding down the button the voltage at the operator unit at the sensor wire connectors with the wires removed is about 1 1 2 volts.
Genie universal non lit garage door opener wall push button operate the garage door from inside compatible with most major brands model gwc r 4 6 out of 5 stars 302 8 07 8.
The wired controller and sensors use low voltage wiring usually 24v to connect to the motor unit.
Depending on the model most work by connecting two to four wires onto terminals mounting the device on the wall and then plugging the unit into an electrical outlet.
If the garage door is hard wired into the electrical circuit turn off the circuit breaker for the garage door.
Place a stepladder beneath the garage door opener and unplug the power to the unit.
Look for the transformer.
07 4 20 oz 9 99 9 99.
No led lights on either sensor.
On sears model 139 53990 garage door opener the safety sensors have now failed to work after an electrical storm.
A wall console unit for a garage door opener is not a complicated device so it s fairly simple to troubleshoot when something seems to go wrong.