02 sierra tach wire

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=111994
Printed Date: May 14, 2025 at 5:12 AM

Topic: 02 sierra tach wire

Posted By: pretty jimmy
Subject: 02 sierra tach wire
Date Posted: February 28, 2009 at 12:36 PM

does any one know if the white wire behind the dash cluster will work for tach. or do I have to go directly off of a injecter.

Replies:

Posted By: Velocity Motors
Date Posted: February 28, 2009 at 5:17 PM

The WHITE off the dash is a good tach signal. Saves you going under the hood.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

Posted By: pretty jimmy
Date Posted: February 28, 2009 at 7:27 PM

ok.. when I hook into that wire, from my autometer monster tach, it is off by almost 1000rpm's any ideas

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