What kind of alarm is this?

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boyzWidToys

Member - Posts: 26

Joined: October 16, 2004

Location: Canada

Posted: December 12, 2004 at 7:44 AM / IP Logged

I was curious. I picked up my freinds new truck for him (2003 HD diesel chev) and.. it has some theft deterant system installed.

To start the truck you turn the key, watch the coil indicator go off, then press the brake, then turn the right indicator on and only then do you turn the key to start it? otherwise it won't turn over?

is this a home made job? or is this something you can buy?

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jimmeezgolfvr6

Silver - Posts: 258

Joined: March 10, 2002

Location: Canada

Posted: December 12, 2004 at 9:17 AM / IP Logged

sounds to me like the starter wire has been cut, connected to a relay at terminals 87 and 30, and the relay is energized by the brake signal and the turn indicator signal. pretty nifty idea actually. possibly more than 1 relay used. likely to be done by someone who's a fairly experienced installer.

all problems can be resolved with a hammer

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hagmanti

Silver - Posts: 304

Joined: September 14, 2004

Location: United States

Posted: December 12, 2004 at 9:35 AM / IP Logged

It's a variation on the last diagram here. Instead of having one remote turn on, there's two latching relays w/ two turn ons (probably a total of 6 relays).

Do the brake lights and right turn signal flash when you do all this? If so, then only 3 relays necessary...

Me

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auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: December 12, 2004 at 11:47 AM / IP Logged

It is nothing more then a passive starter kill system. As far as being "homemade", these can be made from just relays, but they are available commercialy.

Certified Security Specialist

Always check info with a digital multimeter.

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Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

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What kind of alarm is this?

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