relay spike?

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: July 20, 2012 at 2:03 AM / IP Logged

Then use my second diagram.

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t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: August 01, 2012 at 7:16 AM / IP Logged

What type of noise do you get? Is it a buzzing or a solid click.

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tinecidy627

Member - Posts: 24

Joined: June 23, 2012

Location: California, United States

Posted: August 10, 2012 at 5:59 PM / IP Logged

Thanks for replying. It's buzzing, lasts about 1 second. I know a click should be proper function as disconnection. I tried diodes and they don't work. I'm considering if a resistance would bring the instant current down.

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i am an idiot

Platinum - Posts: 13,672

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 10, 2012 at 9:26 PM / IP Logged

You need a diode and a capacitor. I will look for the thread with the instructions.

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i am an idiot

Platinum - Posts: 13,672

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 10, 2012 at 9:29 PM / IP Logged

https://www.the12volt.com/installbay/forum_posts.asp?tid=114184&KW=relay+capacitor+diode

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tinecidy627

Member - Posts: 24

Joined: June 23, 2012

Location: California, United States

Posted: August 11, 2012 at 10:20 PM / IP Logged

thanks a lot man! but i didn't get it completely. so a capacitor cross the relay coil, and the diodes? in series and what (with the capacitor may be?)? i don't quite understand how to apply to my case. many thanks!

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i am an idiot

Platinum - Posts: 13,672

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 12, 2012 at 1:06 PM / IP Logged

Is the relay supplied with constant positive voltage, or constant ground?

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tinecidy627

Member - Posts: 24

Joined: June 23, 2012

Location: California, United States

Posted: August 14, 2012 at 9:43 PM / IP Logged

Yes. Constant +12v connected, conditional ground connected. Is this the problem? Thx

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i am an idiot

Platinum - Posts: 13,672

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 14, 2012 at 11:25 PM / IP Logged

Not a problem. I just needed to know which way you had it so I can pinpoint the appropriate picture for you.

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i am an idiot

Platinum - Posts: 13,672

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 14, 2012 at 11:32 PM / IP Logged

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