2000 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=45023
Printed Date: May 05, 2025 at 3:18 AM

Topic: 2000 Sierra tach wire location.

Posted By: adic58
Subject: 2000 Sierra tach wire location.
Date Posted: December 12, 2004 at 11:55 AM

Any help on where to locate and tap into the tach. Most info just says to tap at coil, this truck has one at each cylinder.

And is the #1 cylinder the best one to tap into if there is no other option?

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samflo

Replies:

Posted By: Velocity Motors
Date Posted: December 12, 2004 at 12:28 PM

Yes, use the injector wire and doesn't really matter which injector you use. There are 2 wires on each injector, use the uncommon colored one

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

Posted By: Wayneman
Date Posted: December 12, 2004 at 12:45 PM

samflo,

Is the Sierra the same as an S-10?

If it is then this might help. White @ Ignition Control Module Is Located On The Passenger Side Of The Engine Compartment. Wire Can Also Be Found As WHITE At Inst Cluster Or PCM On Passenger Side Of Engine Compartment.

If you have the GM Passlock II, don't forget to bypass it or your remote start will not work correctly.

If you are talking about the Oldsmobile Cutlass Cierra the newest listing that I have is for a 94 or 96. I am happy to help. Just let me know.

Good luck.

gizmo

Posted By: adic58
Date Posted: December 12, 2004 at 4:11 PM

Velocity Motors wrote:

Yes, use the injector wire and doesn't really matter which injector you use. There are 2 wires on each injector, use the uncommon colored one

Jeff, there are four wires on each injector. Is the anothe place to tap into other than the inj? Thanks

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samflo