05 gmc sierra, tach wire location

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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=61300
Printed Date: May 01, 2025 at 12:39 PM

Topic: 05 gmc sierra, tach wire location

Posted By: boombonics
Subject: 05 gmc sierra, tach wire location
Date Posted: August 13, 2005 at 9:34 PM

hello, can any one help me find the tach wire for this truck? it has a small block 6 and I do not know where the proper tach wire is located thank you,

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dj

Replies:

Posted By: italnpimp59
Date Posted: August 13, 2005 at 10:16 PM

try the white wire behind the instrument cluster, meter it first, i know the majority of GM trucks and SUV's from around 2000 up to 2004 have it there and i recently did a 05 silverado and it was there.

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