canyon/ colorado tach wire

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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=100106
Printed Date: July 05, 2025 at 2:40 AM

Topic: canyon/ colorado tach wire

Posted By: saskpuller
Subject: canyon/ colorado tach wire
Date Posted: December 16, 2007 at 7:21 PM

Has anyone found an easier tach wire than what the Astrochart has? Removing the two tanks and attaching behind on that plugs is a real pain in the butt! Adds so much to the install time.

Replies:

Posted By: tedmond
Date Posted: December 16, 2007 at 8:02 PM

well from what i got on my wiring diagram program. it shows Chevrolet Colorado 2004 - 2008, the

Tach wire is BLACK (AC) @ PCM Pin # 26.*

*PCM located on passenger side of engine compartment. Black connector in middle.*

i might be refering to the same place. i cant confirm because i dont use astrocharts; sorry if this didnt help you.

Posted By: another-kelly
Date Posted: December 16, 2007 at 9:41 PM

i just use voltage check and set crank time to 1.5-2 seconds. the truck has OEM anti-grind

Posted By: mikvot
Date Posted: December 16, 2007 at 10:09 PM

There are 3 wires at each of the coils on the engine. Pink, Black and a third wire which can be used for a tach reference.

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