03 avalanche remote start problem

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swatpilot

Member - Posts: 8

Joined: December 30, 2007

Location: Missouri, United States

Posted: December 30, 2007 at 9:26 PM / IP Logged

I installed a RS on a 03 Avalanche but have one problem. When the RS is activatied, it start the car fine but the factory alarm goes off. I connected the factory OEM alarm disarm wire to the lt green wire on the BCM purple plug. All the information I have shows this to be the (-) trigger OEM disarm wire. Any thoughts?

Thanks

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Twelvoltz

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Joined: March 24, 2005

Location: New Jersey, United States

Posted: December 30, 2007 at 10:00 PM / IP Logged

What bypass module did you use? What RS system did you install?

The analog factory alarm disarm wire is a light green wire negative trigger, but it is at the driver door module in the door not available at the BCM.

Installer, IT support, and FFL. I need less hobbies.

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swatpilot

Member - Posts: 8

Joined: December 30, 2007

Location: Missouri, United States

Posted: December 30, 2007 at 11:03 PM / IP Logged

I did it for a friend, he got a Mars 11 RS and omega bypass, as for the light green wire at the window module, is that the module at the door switch? The sheet I got said both at the window mod. and the BCM.

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Chris Luongo

Platinum - Posts: 3,746

Joined: May 21, 2002

Location: Massachusetts, United States

Posted: December 31, 2007 at 10:42 AM / IP Logged

You did test the green wire at the BCM, and not just blindly connect to it, right?

The correct disarm wire is only available inside the door from 2003-up.

If you use a databus module to control the doorlocks from the aftermarket remote, that'll take care of the disarm too.

Also, these trucks only make a very brief horn honk when remote starting; I'm surprised your friend is bothered by it.

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chriswallace187

Gold - Posts: 1,661

Joined: March 11, 2002

Location: Pennsylvania, United States

Posted: December 31, 2007 at 1:23 PM / IP Logged

swatpilot wrote:

I did it for a friend, he got a Mars 11 RS and omega bypass, as for the light green wire at the window module, is that the module at the door switch? The sheet I got said both at the window mod. and the BCM.

The driver's door module and window module are one and the same...the big stupid piece with locks/windows/mirror switches.

To my knowledge on all '03-06 GM full-size trucks/SUVs the disarm wire is only at the driver's door module - BCMs are different from the '99-'02 models, which didn't use a driver's door module.

Testing it - connect your meter's red lead to 12v+, black lead to the green wire. When you turn the key in the door to unlock, meter should read +12 volts.

C Renner's Auto Electronix

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swatpilot

Member - Posts: 8

Joined: December 30, 2007

Location: Missouri, United States

Posted: December 31, 2007 at 5:11 PM / IP Logged

Thanks Ill give it a try

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03 avalanche remote start problem

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