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09-18-2018, 01:42 PM | #1 |
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Can a 12v Momentary switch operate an on/off accessory?
I am trying to use a stock style switch that is why I am asking this question. I have a push button Momentary 12 volt push button switch and I would really like to use it to operate an accessory to turn it on and off. Is there a relay out there that I can use that uses 12 V to turn it on off or ant wiring suggestions out there?
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09-18-2018, 08:55 PM | #2 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
You need a latching relay. Here’s a link to one on Del City. No idea what your intended application is, so check the amperage and other relevant specs. Good luck!
Chris Edit - forgot the link! https://m.delcity.net/store/Latching...18110.h_818111 Last edited by Jackson's Dad 64 C10; 09-18-2018 at 08:56 PM. Reason: Autocorrect sucks |
09-18-2018, 10:10 PM | #3 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
For that latching relay you would need two momentary pushbutton switches. Instead of a momentary pushbutton, why don't you use a push on - push off switch. If you're switching a heavy load, use a relay in the circuit.
Like this: https://www.ebay.ca/itm/6pcs-Momenta...r=461773203566
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Bob 1967 2wd Burb, 350/TH350, 3.73 posi |
09-18-2018, 10:26 PM | #4 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Ok looks like there is a few kinds of these. I have a push button on my dash that when you push it passes power thru it only when pushed. I have a small unit that turns on and off a module in my transmission. I need to turn it off when I tow. I want this to turn it on and off. 5 amps would be sufficient. I am not very familiar with how this should be wired. In a perfect world I would like to activate it and deactivate it with the same power source from the same button if that can possably happen.
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09-18-2018, 10:28 PM | #5 | |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Quote:
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09-18-2018, 11:16 PM | #6 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Will you be able to tell whether or not the module is on according to the feel while driving, or have some other way to tell, such as an indicator light? I think you may need to build a small circuit to switch the relay on for one push, and off for the next push.
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09-18-2018, 11:34 PM | #7 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
The most simple way is once you push the button, the relay latches and stays activated, and you turn off power to the relay (turn the truck off) in order to unlatch it. Like this:
https://electronics.stackexchange.co...l-back-feature Push once to turn on a relay and push again to turn off requires a more complex circuit. Here are a couple of pages with ideas if you want to build something: https://www.the12volt.com/relays/spe...ations.asp#lsp https://groupdiy.com/index.php?topic=66561.0 This one is interesting in that one of the circuits requires a long press to turn it off. http://www.mosaic-industries.com/emb...e-power-switch All the above would let you use a plain relay(s). These guys make a specialized relay, it appears they had you in mind: http://www.wolstentech.com/products/...chingrelay.php |
09-19-2018, 12:16 AM | #8 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Thanks for that. The wolsten relay looks like what I may be needing. I would have never found that but myself.
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09-19-2018, 01:33 AM | #9 | |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Quote:
I built a circuit to activate my daytime running lights that is momentarily triggered when I press the brake pedal and shift out of "park" and stays on until I either turn the headlights on or shut the truck off. If this will suit your situation, I can post a diagram.
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09-19-2018, 07:54 AM | #10 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Another variation on the idea, with a written explanation of what is going on.
http://www.emil.matei.ro/onof2.php |
09-19-2018, 09:02 AM | #11 | |
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Re: Can a 12v Momentary switch operate an on/off accessory?
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Last edited by chewychevy67; 09-19-2018 at 09:25 AM. |
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09-19-2018, 05:14 PM | #12 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
this is the relay I bought on ebay. I hope it works. instead of switching between headlights it will switch between my "tow" light on the dash and the veriable pitch equipment.
https://www.ebay.com/itm/Hi-Lo-Beam-...53.m2749.l2648 |
09-20-2018, 10:22 PM | #13 | |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Quote:
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Bob 1967 2wd Burb, 350/TH350, 3.73 posi |
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09-21-2018, 12:08 AM | #14 |
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Re: Can a 12v Momentary switch operate an on/off accessory?
Our of all the info I have read up on all I can find is a thread that claims 5 amps. Nothing on gm paper though. It uses the same solenoid as a th400 kick down which I believe uses 5 amps. That's where I came up with the 5 amps.
Last edited by chewychevy67; 09-21-2018 at 12:13 AM. |
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