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2008 gmc w4500 tach

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=104733
Printed Date: May 11, 2025 at 12:52 PM


Topic: 2008 gmc w4500 tach

Posted By: dre187
Subject: 2008 gmc w4500 tach
Date Posted: May 14, 2008 at 3:03 PM

Anyone know what colour the tach wire is on this truck? It is not diesel, its gas. any help would be appreciated. thanks



Replies:

Posted By: chriswallace187
Date Posted: May 17, 2008 at 6:14 AM
Your best bet would be the uncommon wire at any injector or coil pack. GM doesn't usually have a regular tach wire.

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