i dont understand this relay diagram

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blocker7399

Member - Posts: 7

Joined: March 19, 2009

Location: South Carolina, United States

Posted: July 08, 2010 at 1:24 PM / IP Logged

can some one please explain why you would use the relay on the right and not just have the momentary switch do the work without the relay i dont understand this relay diagram - Last Post -- posted image.

i dont understand this relay diagram - Last Post -- posted image.

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the12volt

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Joined: March 07, 2002

Location: Louisiana, United States

Posted: July 08, 2010 at 1:35 PM / IP Logged

You could, but then you would have to hold the switch continuously while turning the ignition key to start. The idea is to make it inconspicuous.

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blocker7399

Member - Posts: 7

Joined: March 19, 2009

Location: South Carolina, United States

Posted: July 08, 2010 at 2:07 PM / IP Logged

how does that keep the relay switched when you let off of the switch shouldnt it make the relay change back to the 87a when you let off of the switch

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the12volt

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Posted: July 08, 2010 at 2:48 PM / IP Logged

Once the coil of the right relay is activated, terminals 30, 87 and 85 of the right relay have continuity creating a latch until the 12V ignition source is removed (turned off).

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i am an idiot

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Posted: July 08, 2010 at 4:23 PM / IP Logged

Admin, did you get my e-mail?

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the12volt

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Posted: July 08, 2010 at 4:29 PM / IP Logged

Yes. No can do here. If we did, we would have to give everyone free adverstising :| Post it on our facebook page.

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blocker7399

Member - Posts: 7

Joined: March 19, 2009

Location: South Carolina, United States

Posted: July 08, 2010 at 9:11 PM / IP Logged

thanks i see what i was missing now. because 87 loops back to 85 it causes it to stay open sorry sometimes its the little things you miss

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i dont understand this relay diagram

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