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grand prix fuel inj for 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=96415
Printed Date: May 17, 2025 at 1:09 AM


Topic: grand prix fuel inj for tach?

Posted By: dmasjz45
Subject: grand prix fuel inj for tach?
Date Posted: August 15, 2007 at 4:49 AM

anyone know if the fuel injector signal on a 1999 grand prix will work for a tach signal on compustar brains?



Replies:

Posted By: swerks
Date Posted: August 15, 2007 at 7:54 AM
it should


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Steve Sverdahl
Swerksound Auto Electric
Red Deer Alberta



Posted By: KarTuneMan
Date Posted: August 15, 2007 at 8:08 AM

I have a question. Why would it NOT work? I am not "currently" a Compustar dealer. Is this a normal problem, the obvious tach signal not working!

Anyone got a real good answer for this?



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Posted By: dmasjz45
Date Posted: August 15, 2007 at 8:32 AM
what? that doesn't make sense...guess i'll try the injector thanks



Posted By: swerks
Date Posted: August 17, 2007 at 9:18 AM
KarTuneMan wrote:

I have a question. Why would it NOT work? I am not "currently" a Compustar dealer. Is this a normal problem, the obvious tach signal not working!

Anyone got a real good answer for this?



i dont know why but ive found many compustars wont read tach from coil on plug style coils (just about every car now)

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Steve Sverdahl
Swerksound Auto Electric
Red Deer Alberta



Posted By: JWorm
Date Posted: August 17, 2007 at 9:28 AM
DEI and Compustar systems have been tuned in recent years to work best with an injector wire.


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