05 cobalt, compustar 1wsh-s

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xtremej

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Joined: February 24, 2006

Location: United States

Posted: January 17, 2007 at 12:51 PM / IP Logged

I am sure this has been discussed but after a search or to I can't seem to find what I am looking for so. I am installing an alarm on this car, it has not starter wire as everbody knows, I am wondering how everyone else hooks these up when installing an alarm? i was thinking instead of a starter kill since it has one kind of how about splitting the ignition circuit. Be gentle alarms are not my thing.

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Twelvoltz

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This member consistently provides reliable information

Joined: March 24, 2005

Location: New Jersey, United States

Posted: January 17, 2007 at 12:51 PM / IP Logged

The starter wire is under the hood at the PCM, yellow wire, here is DEI's description:

CHEVROLET, COBALT, 2005, Starter

The PCM (Powertrain Control Module) is on the driver side fender, in front of the underhood fuse bloc

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xtremej

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Location: United States

Posted: January 17, 2007 at 12:51 PM / IP Logged

Its in the blue plug, got it. Just looking for a heads up. Thanx

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xtremej

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Joined: February 24, 2006

Location: United States

Posted: January 17, 2007 at 5:08 PM / IP Logged

I have found all 4 door triggers, my problem is the pulse when they are opened to ground seems not be strong enough to trigger alarm. I have ground RED / white trigger input wire and it will trigger. I need a diagram of how to wire up a relay to strengthen the ground pulse I think, not 100% sure though . Any ideas

I am installing a compustar 1wsh-s, alarm only.

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Evolution-UK

Copper - Posts: 192

Joined: June 19, 2005

Location: United Kingdom

Posted: January 17, 2007 at 5:12 PM / IP Logged

Where did you pick up the wires?

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xtremej

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Joined: February 24, 2006

Location: United States

Posted: January 17, 2007 at 5:36 PM / IP Logged

I got them at the bcm, found the problem. The rear door pins trigger throught fronts. computech had four different wires listed for all four doors,

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Evolution-UK

Copper - Posts: 192

Joined: June 19, 2005

Location: United Kingdom

Posted: January 17, 2007 at 6:01 PM / IP Logged

2 wires at the bcm. diode isolate them with the bands on the diode at the bcm side.

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05 cobalt, compustar 1wsh-s

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