Adding Garage Door Buttons

In the past, I've wired Genie garage door opener remotes in line with the high beam lights on my vehicle. You flash your brights and activate the remote; door opens or closes. Very stealth.
I suppose if the remote uses a lower voltage then some step down measure has to be taken but this can be a great solution if you don't have anywhere to add buttons. It took me about 10 mins to do this on my Honda S2000.

 

How do you do such wizardry?

 

I did this many years ago so I don't remember the exact wiring but I recall it being quite simple.

Try a Google search on "Flash to pass garage door opener". It's popular amongst motorcyclists as it really facilitates accessing the garage while all suited up. It worked perfectly for me in my Honda S2000.