06 trailblazer tach wire?
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=125080
Printed Date: July 18, 2025 at 2:39 AM
Topic: 06 trailblazer tach wire?
Posted By: dgreen4298
Subject: 06 trailblazer tach wire?
Date Posted: December 16, 2010 at 2:50 PM
what tach wire do you guys use for an 06 trailblazer? the wire color and location lists say white wire c1 connector at pcm pin 49 but i dont have a white wire there. my connector view in repair manual shows that as cruise control signal gray wire. i do see a white wire at pin 31 labled as engine speed signal. does that sound right to you? it is a 06 trailblazer with a v6 auto.
Replies:
Posted By: kgerry
Date Posted: December 16, 2010 at 3:46 PM
voltage sense, 4 sec crank.....
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: zerepdivad
Date Posted: December 16, 2010 at 8:11 PM
Tachometer WHITE (AC) IN BLUE PLUG ON PASSENGER SIDE OF ENGINE
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A DMM is a beautiful thing.
MECP Advanced Installer Certified.
Posted By: dgreen4298
Date Posted: December 16, 2010 at 8:19 PM
thanks for replying. what blue plug are you talking about on the passanger side of engine? what does it plug into? where is it mounted
Posted By: Mike M2
Date Posted: December 17, 2010 at 6:32 AM
White wire, back of cluster....
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Mike M2
Tech Manager
CS Dealer Services
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