2000 suburban factory alarm problem
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=119853
Printed Date: April 29, 2024 at 2:23 AM
Topic: 2000 suburban factory alarm problem
Posted By: start25
Subject: 2000 suburban factory alarm problem
Date Posted: February 02, 2010 at 10:41 PM
I installed remote Start keyless entry system on 2000 Suburban.... What wire do you use of the car to arm the factory alarm? Is it tan wire on purple plug @ BCM? I tryed that and it arms but when you unlock the doors and go to lock them again the factory alarm starts to panic...
Replies:
Posted By: Twelvoltz
Date Posted: February 03, 2010 at 6:49 AM
Light green in the purple plug, pin B3 at the BCM, or in driver's kick.
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Posted By: 12voltwiz
Date Posted: February 03, 2010 at 7:33 AM
tan wire is drivers door pin, it must be pulsed at the same time the lock wire is, and to disarm the alarm it is the light green wire, which must be pulsed before start and pulsed with the unlock wire, if you do not have seperate arm and disarm wires, use diodes on the lock and unlock wires to make two outputs out of each wire. Hope this helps, any questions feel free to ask! James
Posted By: start25
Date Posted: February 03, 2010 at 2:27 PM
That light green wire in pink connector does not disarm the factory alarm .... I tryed grounding it when the alarm was going off and it didnt disarm... Is there other wire I got to use... what s the trick?
Posted By: start25
Date Posted: February 03, 2010 at 3:49 PM
This light green wire does not disarm the alarm for some reason does anybody know why?
Posted By: Chris Luongo
Date Posted: February 03, 2010 at 4:47 PM
Are you testing this wire or just hooking up to it?
There is probably more that one light green wire at the BCM.
Select the one that tests as a ground while inserting the key into the driver's outside doorlock, and turning the key to the "unlock" position.
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