Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

Tach Signal???

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Old Nov 26, 2004 | 02:33 PM
  #1  
Jeff 96 SS's Avatar
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Posts: 310
From: frederick MD.
Tach Signal???

I'm having trouble with the tach signal from my MSD digital 6 box. I was wondering if anyone has tried to run a shift light off the PCM tach signal?

Thanks

Jeff
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96 TA 396 D1
Old Nov 27, 2004 | 06:18 PM
  #2  
Ryan94ZA4's Avatar
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Joined: Mar 2002
Posts: 595
From: Missouri
Re: Tach Signal???

As long as nothing else is running off of the tach output besides the factory tach, you can hook it up there. If you get too many things hooked up, the PCM tends to shut off the output.

Ryan
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