My garage door opener switch was run to a 3 gang box and just dangles through the opening in the switch cover plate. Can I use a 15 amp switch to open/close the garage door or do I need some other type toggle switch?
Wiring – Can a 15 amp electrical switch be used to replace a push button switch for garage door opener
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I fixed the exact same problem with my garage door using a general purpose relay output wireless transmitter / receiver module I purchased from eBay. The receiver module for inside the garage operates from a +12VDC power supply which I purchased for low cost from Goodwill. The normally open relay contact of the receiver is wired in across the same wire pair used by the inside door open push button. The existing push button is designed to short across the two wires that run to the garage door opener. The added relay connections need to be wired in parallel to the switch so that they short across the same wires when the remote is activated.
The trigger buttons are small key fob type push button controls that operate from a standard type of coin battery.
Note that models on eBay change often and it is a good idea to search for a unit that comes with multiple fobs and to purchase a spare unit if you ever think you will need replacements. Some sellers will add additional fobs to your order for an additional small charge. The search to use on eBay is Wireless Remote Control.
The whole setup cost me about a third of the lower priced options that you have linked to. The unit I purchased was a two channel device with an A and B button on the fob and so one setup was deployed to run both of my garage door openers.
These come with the remote transmit code set to some default value and it is advisable to change that code to some random code that you select. Changing the code entails some work with a small electronics soldering iron inside both the receiver and the transmitter.
I'd start by opening up the opener, and making sure the wires for the switch are securely connected.
Inspecting the cable for damage, would be the next step. This would include testing the wires for continuity, to make sure there's not damage that couldn't be seen.
Check the control board in the opener for any fuses, and make sure any fuses are good.
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Best Answer
I assume you've traced the wires to the opener itself? You should be able to purchase the correct wall mounted garage door switch to match the brand of opener. Ultimately you need a momentary switch and a doorbell button usually works just fine. The problem is the third wire which is probably a manual light switch from the stock wall mount switch to the opener. Find the model number of the opener and download the manual.
To answer your main question- no, you cant use a standard electrical toggle switch for your garage door opener. (Well, not as intended, anyway. You would probably have to flip the switch off then on to get it to do what a single doorbell button press would do.)