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2002 chevy trailblazer, vss, reverse

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=97764
Printed Date: May 02, 2025 at 8:22 PM


Topic: 2002 chevy trailblazer, vss, reverse

Posted By: Brianas
Subject: 2002 chevy trailblazer, vss, reverse
Date Posted: October 08, 2007 at 10:40 AM

nav install,

need VSS wire and Reverse wire

not sure if these are provided by the metra GMOS-01 harness

also , is dbl din install kit needed ?

will metra 99-2003 work, guess just need side brackets

thanks alot

Josh

JB Customs



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Replies:

Posted By: KarTuneMan
Date Posted: October 08, 2007 at 12:20 PM
REVERSE LIGHTS Lt.green At fusebox under rear seat on driver's side   + 
 VSS WIRE GREEN / WHITE At PCM mounted to driver's side of engine (pin-21)   AC 
 This wire can also be founf at the back of the instrument cluster.
 DATABUS INTERFACE Pin-2(top row from left) Diagnostic plug below dash   DATA 
 PASSLOCK PWR RED / white In 3 wire harness from ignition switch   + 
 PASSLOCK DATA Yellow In 3 wire harness from ignition switch   DATA 
 PASSLOCK GROUND ORANGE / black In 3 wire harness from ignition switch   - 



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Posted By: Brianas
Date Posted: October 08, 2007 at 3:35 PM
thank you

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Posted By: sparkie
Date Posted: October 08, 2007 at 6:20 PM
The VSS wire will also likely be in the 12 pin plug at the radio. You can also usually get the reverse lamp wire at the rear view mirror plug.

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sparky


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