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horn for alarm

For all things Electrical.

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Posts: 89
Joined: Mon Jun 05, 2006 9:26 am
Location: Sutherland Shire NSW

horn for alarm

Post by GQSWB42td »

Just wondering if some can help me, I looking at wiring in to my horn for my alarm, as my siren has been mounted in side the cabin and when car is locked up the siren is not that loud on the outside. Can some body help me or should i take it to an auto electrian.
Thanks in advance
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Joined: Sat Oct 25, 2003 11:39 pm
Location: In a horse near you

Post by chimpboy »

Pretty easy, pick up the wire to the siren and run it to a relay, then run from the relay to the horn. The horn is probably negative switched so you'll be switching the negative with the relay.

Don't try it without a relay, you'll probably kill your alarm.
This is not legal advice.
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