2003 Silverado door Triggers
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=24140
Printed Date: May 09, 2025 at 9:09 PM
Topic: 2003 Silverado door Triggers
Posted By: jdc580
Subject: 2003 Silverado door Triggers
Date Posted: January 07, 2004 at 7:45 PM
I do not have the wires that are supposed to be in the BCM to use for door triggers. I have a 2003 Chevy Silverado 1500, ext cab, z71 LS. So if anyone has any ideas, please let me know. Thanks all. -John
Replies:
Posted By: b4c1
Date Posted: January 07, 2004 at 7:48 PM
with an 03 silverado it is a multiplex wire system for lock so u will need a interface mod.
Posted By: RufNUSD
Date Posted: January 07, 2004 at 8:52 PM
Uh he stated door triggers not locks but for triggers here you go:
On base model trucks the door trigger wires are in the lt. blue plug at the BCM, pins B4 and A5. On 4dr trucks the LR door trigger is lt. blue/black, pin A3, and the RR is lt. GREEN/ black, pin A2. They are in the purple plug at the BCM. Use all wires and diode isolate.
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Someone pass me that bottle.
Posted By: jdc580
Date Posted: January 07, 2004 at 9:44 PM
I appreciate the help guys, but I don't have the wires in B4 and A5. I had the wire colors, but there just isn't any wires in those spaces on the BCM. And I do have the Databus module, but as Ruf said it doesn't help with the door triggers. I'll have to keep digging I guess. -John :bunny
Posted By: RufNUSD
Date Posted: January 07, 2004 at 9:57 PM
Ive read of catching them in the doors. If Im not mistaken Blk.wht in the drivers door??? Pass door and others Im not sure. Go to the latch in the door as sometimes the answer is there.
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Someone pass me that bottle.
Posted By: jdc580
Date Posted: January 07, 2004 at 10:06 PM
yeah, i'll have to wire into both doors i think. Apparently because the DDM houses the keyless entry system, it only sends and receives Serial data, and doesn't have a wire dedicated to just the door pin switches. I wonder how long till one of the aftermarket companies figures it out, and incorporates the triggers into the Databus modules for the doorlocks. I wish i could figure out how to dup;licate the serial data, could do all sorts oh neat things then. -John
Posted By: sparkie
Date Posted: January 07, 2004 at 10:27 PM
Driver's front door = grey/black wire at the driver's door module inside door. The passenger's front is BLACK/ white in the right front door aat module.
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sparky
Posted By: RufNUSD
Date Posted: January 07, 2004 at 10:55 PM
Yeah---Its kinda like a Duraflame. It was sparked but not fully lit until an hour later. At least I was warm. Good looking out Sparkie. No pun intended  ------------- Someone pass me that bottle.
Posted By: jdc580
Date Posted: January 08, 2004 at 11:04 AM
ok, gonna tear into it today. Thanks guys. I'll post my findings or missings for that matter, LOL. My silverado really cracks me up, of all the vehicles I've worked on it is the easiest to pull apart(dash,doors, etc). But try to do any wiring in the truck, and it's the most difficult I've ever dealt with. Oh well, evolution at work. -John
Posted By: BaddestBanshee
Date Posted: January 21, 2004 at 12:01 AM
RufNUSD wrote:
Uh he stated door triggers not locks but for triggers here you go:
On base model trucks the door trigger wires are in the lt. blue plug at the BCM, pins B4 and A5. On 4dr trucks the LR door trigger is lt. blue/black, pin A3, and the RR is lt. GREEN/ black, pin A2. They are in the purple plug at the BCM. Use all wires and diode isolate.
I was also looking for the blue plug, so its on the bcm? Thats the module under the knee bolster on the drivers side right? You need to isolate with 2 diodes also right? ------------- Want to know about Audi, I thought you did.
Posted By: JWorm
Date Posted: January 21, 2004 at 12:42 AM
On the databus model trucks:
If you use a 456G from DEI for the doorlocks, you may notice it has an input on it that you can connect the underdash light to. It also has a wire that you can connect the door trigger input on an alarm to. No need to go into the doors for the individual door triggers. The databus module will also break the door trigger connection to the alarm when you remote start the truck since the domelight turns on for a few seconds .
Posted By: BaddestBanshee
Date Posted: January 21, 2004 at 9:25 PM
its pin b4, and a5, just did it on a 2wd 2 door!
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Want to know about Audi, I thought you did.
Posted By: jdc580
Date Posted: January 23, 2004 at 5:03 PM
Yes, we know it is Pin B4 and A5, the problem is, not all trucks have wiring in those pics because of the databus. LOLOL, but thank you for the help
Posted By: tblanning
Date Posted: January 23, 2004 at 8:23 PM
just use a datbus module as safe yourself a lot of time one unit now does it all GM Passlock 2 & Passkey 3+ and Doorlock & Alarm Data Bus Interface Multi GM Vehicle Compatibility everything you need in one unit
Posted By: jdc580
Date Posted: January 24, 2004 at 8:57 PM
tblanning wrote:
just use a datbus module as safe yourself a lot of time one unit now does it all GM Passlock 2 & Passkey 3+ and Doorlock & Alarm Data Bus Interface Multi GM Vehicle Compatibility everything you need in one unit
Ok, and who produces this one-in-all module? Also, what is the part number?
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