relay for garage door opener
Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=117981
Printed Date: April 29, 2024 at 7:54 AM
Topic: relay for garage door opener
Posted By: sergeantnic
Subject: relay for garage door opener
Date Posted: November 24, 2009 at 1:04 PM
Need somebody smarter than me to give me some dumbed down instructions for a little project. I've got a motorcycle I'm going to install a garage door opener remote in with a momentary switch. I'm going to solder that switch to the circuit board of the remote and stash the remote inside the bike somewhere. I've done this on 2 other bikes and it worked out well. My question is, I'd like to use a relay or some other method to make it so the momentary switch is "dead" unless the bike is turned on. So basically I'll take a switched 12 volt wire to energize the relay but beyond that I'm not sure how to wire the thing up. The momentary switch is just used to close a circuit on the garage door operner remote and I don't need the relay for powering anything just making the switch alive / dead as needed. Thanks in advance for any help.
Replies:
Posted By: howie ll
Date Posted: November 24, 2009 at 1:07 PM
Why a relay? Just feed the switch from an ignition circuit.
Posted By: sergeantnic
Date Posted: November 24, 2009 at 1:31 PM
The switch does nothing with power it just closes a circuit on the garage door opener so I don't need to "feed" the switch. I'm thinking a SPST relay. Left side of momentary switch goes to remote, right side of momentary switch goes to common (30) on SPST relay. Coil is wired to 12 volt switched source. Bike off, hit the switch, nothing happens. Pin 87 on SPST relay goes to other side of garage door remote to complete the circuit. When bike is on, relay is energized. Push momentary button and it completes the circuit from pin 30 to pin 87. I think we have a winner.
Posted By: the12volt
Date Posted: November 24, 2009 at 1:41 PM
What size battery does the garage door opener normally use? What are you using as a power source for the garage door opener on the bike? -------------  the12volt • Support the12volt.com
Posted By: sergeantnic
Date Posted: November 24, 2009 at 1:44 PM
Posted By: the12volt
Date Posted: November 24, 2009 at 1:46 PM
Are you using an internal battery to power the remote? ------------- the12volt • Support the12volt.com
Posted By: sergeantnic
Date Posted: November 24, 2009 at 1:46 PM
the12volt wrote:
What size battery does the garage door opener normally use? What are you using as a power source for the garage door opener on the bike?
I'll be using the battery that came with the remote. They are good for 1 - 2 years so I'm not interested in powering the remote off the bike. And I believe it's 6 volts. Will the diagram I posted above work? I know it's a crude non-engineered drawing but you get the idea.
Posted By: the12volt
Date Posted: November 24, 2009 at 1:50 PM
Yes, it will work. ------------- the12volt • Support the12volt.com
Posted By: sergeantnic
Date Posted: November 24, 2009 at 1:53 PM
the12volt wrote:
Yes, it will work.
Thanks. Would you say in your opinion that's a pretty easy solution? I didn't know if there was a better / easier way to go about it but this seems pretty straight forward for what I'm after.
Posted By: the12volt
Date Posted: November 24, 2009 at 2:13 PM
You're welcome. Yes, it's an easy solution. In my opinion there is a better way with the same amount of time and work involved, but it basically comes down to personal preference. When I added the garage door opener to my bike, there were two things I didn't want to do... add a button and have to change batteries. You can power your 6 volt remote and use your high beam switch to activate the remote. https://www.the12volt.com/installbay/forum_posts.asp~TID~106959
https://www.the12volt.com/installbay/forum_posts.asp~TID~114824~PN~1
https://www.the12volt.com/installbay/search.asp?KW=voltage+divider+6v&SM=1&SI=PT&FM=0&aid=1&OB=1&Submit=Start+Search ------------- the12volt • Support the12volt.com
Posted By: sergeantnic
Date Posted: November 24, 2009 at 2:18 PM
I had thought about that but I ride with my highbeams on during the day so I didn't want the transmitter to be transmitting all the time.
Posted By: howie ll
Date Posted: November 24, 2009 at 2:18 PM
And I owe sergeantnic an apology, I don't know why I assumed the remote's internal circuitry was 12volts!
Posted By: sergeantnic
Date Posted: November 24, 2009 at 2:23 PM
No worries. I think I got it figured out and it sounds like it's going to work. Gonna hit radio shack on the way home to pick up the parts i need.
Posted By: the12volt
Date Posted: November 24, 2009 at 2:26 PM
Koo... yes, it will work. What are you riding? ------------- the12volt • Support the12volt.com
Posted By: sergeantnic
Date Posted: November 24, 2009 at 2:28 PM
2008 FJR1300A and a 2003 Suzuki SV1000 (naked model). I just picked up the FJR a few weeks ago and it's an awesome bike. I've got a keypad garage door opener on the house but it's a PITA getting close enough to mash the buttons without getting on the bike so I'm gonna add a mini momentary switch to the bike. What about you? What kind of bike do you have?
Posted By: the12volt
Date Posted: November 24, 2009 at 2:35 PM
Sweeet. I'm on a Yamaha myself ;) ...2009 R1 
------------- the12volt • Support the12volt.com
Posted By: sergeantnic
Date Posted: November 24, 2009 at 2:42 PM
Here's my new one. 
Posted By: the12volt
Date Posted: November 24, 2009 at 2:47 PM
Very nice :) ------------- the12volt • Support the12volt.com
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