relay, negative out to positive in

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anaxagoras

Member - Posts: 31

Joined: December 16, 2007

Location: Connecticut, United States

Posted: January 14, 2008 at 2:04 PM / IP Logged

I'm wiring up a compustar cm4000 in my 2000 audi s4.

Though it's taken me a LONG time to do it, i'm almost done.

One thing though. The horn output on the compustar is negative, my horn requires a positive input. I assume I can just take care of this with a relay, but I'm unsure as to how.

So can someone school me in relays 101?

Thanks

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bbtaco

Copper - Posts: 119

Joined: November 03, 2002

Location: Virginia, United States

Posted: January 14, 2008 at 2:13 PM / IP Logged

Change polarity relay

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anaxagoras

Member - Posts: 31

Joined: December 16, 2007

Location: Connecticut, United States

Posted: January 14, 2008 at 2:16 PM / IP Logged

Thanks! search and ye shall find.

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relay, negative out to positive in

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