Slightly different Garage door opener Mod

So I wanted to do the garage door opener mod but wanted to have buttons in the overhead console. Since I've got the temp gauge I had to find a place to put the buttons. Here's what I did.

Went to Radio Shack and picked up some momentary buttons


Took off the console and the wife said it was smiling at her...


Drilled the holes for the buttons


Soldered the connections for both buttons and power


Wrapped wires and routed extra wire in console. I used the power to the temp gauge. Light green = positive White with black stripe = negative


Added some Velcro to the back of the opener remote


Stuck remote to the inside of the top of the cab


Installed the console



Of course it would be too easy if everything worked right away. I had tested the buttons before I made the power connections. What I had not done is MAKE SURE IT WAS A 12V REMOTE...

Pulled everything back apart, soldered the button leads to a spare remote (first one is trash) and put it back together with the battery as the power. Going to find a way to step down the power and hook that up later. Works for now but I don't get the "only on with accessory power" benefit just yet. Might also just look for a 12V 2 door remote that will work with my openers but that doesn't sound as fun. I'll post an update when I figure out the power conversion thing since I'm sure others have the same issue and since I want to wire in the same thing for my motorcycle.

 

rad.

 

So looking up how to build a voltage step-down i think it's as easy as putting 30ohm and 10ohm resistors in serial on the positive lead. Anyone with more electrical knowledge know if this sounds right or if there are any issues with trying this. Wife might get pissed if I fry a second opener...

 

Got it worked out. $4 of parts from Radio Shack and a few minutes to wire it all together. Works like a charm. For anyone with 3VDC remotes this will work.

Parts


Ghetto board made from an old light switch cover.





Power connection