door ajar trigger

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87rewire

Member - Posts: 16

Joined: November 01, 2010

Location: United States

Posted: April 28, 2014 at 10:04 AM / IP Logged

I am trying to wire a Viper 3203. I am having a hard time wiring the door ajar trigger wiring. I am working on a 2002 Pontiac Firebird. Door ajar function works properly when but when armed opening the door wont trigger alarm.

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: April 28, 2014 at 11:26 AM / IP Logged

You have the wrong wire on the 3203, you need H1/8 GREEN.

You will also need to separate the door lock wires via a pair of 1N4004 diodes.

See diagram. firebird_door_switches.bmp

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87rewire

Member - Posts: 16

Joined: November 01, 2010

Location: United States

Posted: April 28, 2014 at 12:34 PM / IP Logged

I thought that since the bcm was suppling a positive signal that I should tie into the H 1/6 wire. Thanks for the diagram. I will try that routing.

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: April 28, 2014 at 12:37 PM / IP Logged

According to Directwire the grey/black at D11 and the BLACK/ white at D12 are NEG (-). 1970s Rolls Royce and some US Fords plus pre 98 BMW 5 Series trunk were POS all else NEG. Have you actually tested?

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: April 28, 2014 at 1:28 PM / IP Logged

There is 12 volts on the wires till the door is open, then it goes to ground. Therefore it is a negative trigger wire.

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87rewire

Member - Posts: 16

Joined: November 01, 2010

Location: United States

Posted: April 28, 2014 at 1:42 PM / IP Logged

Yes i have tested. Previous post is correct. Thanks for all the help.

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door ajar trigger

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