Looking for latching relay.

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blackimpala

Member - Posts: 16

Joined: December 31, 2006

Posted: February 11, 2018 at 11:29 AM / IP Logged

First off I am not an electronics guy, don't use big words. I have a classic car that I am using an A/C compressor to build compressed air. I need something to control the compressor, I want to turn it on with a switch and have it turn off when I turn the key off (but) when I start the car again the compressor will stay off until I use the switch again. I have search this online until I am confused.

Thanks for any help.

Floyd

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the12volt

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Joined: March 07, 2002

Location: Louisiana, United States

Posted: February 11, 2018 at 11:42 AM / IP Logged

You can use the right relay only from the following setup. Instead of connecting the lead going to terminal 85 of the left relay, connect it to the 12V+ input of your compressor.

Looking for latching relay. -- posted image.

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the12volt

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Posted: February 11, 2018 at 11:54 AM / IP Logged

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blackimpala

Member - Posts: 16

Joined: December 31, 2006

Posted: February 11, 2018 at 5:25 PM / IP Logged

Thank you very much. Looks like what I was needing.---Question,the 12volt ingnition input is not clear but I am guessing it is (+)? Is that correct?

Floyd

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the12volt

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Location: Louisiana, United States

Posted: February 11, 2018 at 6:25 PM / IP Logged

Yes.

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