04 Trailblazer remote start

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=29691
Printed Date: June 20, 2025 at 12:30 AM

Topic: 04 Trailblazer remote start

Posted By: IRNOTSLOW
Subject: 04 Trailblazer remote start
Date Posted: April 04, 2004 at 10:23 PM

I am installing a RS that is an add on type (design-tech # 20022). I wish to use the positive pulse on the drivers side unlock motor to power a reversing relay to give the RS its neg pulse to initatate the start sequece. Can any one help. Also this unit ONLY starts no keyless or alarm.

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irnotslow

Replies:

Posted By: BNLUIS
Date Posted: April 04, 2004 at 11:15 PM

wire arelay this way

PIN 86 to wire door lock or unlock motor in car
pin 85 and 87 to ground
pin 30 to remote start input negative
pin 87a not used

good luck

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Luis
Sound Waves
Is up to the installer to test all wires with a DMM whenever possible.

Posted By: IRNOTSLOW
Date Posted: April 05, 2004 at 5:19 AM

I notice the 12 pin connector on the fuse block. when I unplug it the driver door motor is inop, also a small black wire pulses when ever the motor is locked or unlocked. I think am at the wrong wire.

You said tan for unlock and grey for lock...and the Mod is IN the door?? is there any other known location?? I know an 02 chevy it is in the driver kick panel.

Is this wireing also the same for a 03 sivlerado?

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irnotslow

Posted By: BNLUIS
Date Posted: April 05, 2004 at 8:42 PM

inside door both cars

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Luis
Sound Waves
Is up to the installer to test all wires with a DMM whenever possible.

Posted By: IRNOTSLOW
Date Posted: April 05, 2004 at 10:12 PM

thanx bud, now I know its gonig to be a Pain in my a**

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irnotslow

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