LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

MSD window switch install: where to hook tach wire to???

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Old Sep 9, 2004 | 12:52 PM
  #1  
DubbyZ28Camaro's Avatar
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From: Lincoln, NE, USA
MSD window switch install: where to hook tach wire to???

I am just getting ready to finish the wiring of my nitrous system and was wondering where to hook up the white (tach) wire to off of the window switch??? Do I hook up the white wire (terminal 13) off of the PCM, or do I hook it up at the green wire off of the ignition coil???

Any help is appreciated...

Thanks
Old Sep 9, 2004 | 02:15 PM
  #2  
Mtrhds94Z's Avatar
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From: Point Pleasant, NJ... USA
Re: MSD window switch install: where to hook tach wire to???

Do you have an MSD box? If so it goes to the tach plug on the box..
See:
http://www.msdignition.com/pdf/pn8956.pdf
Old Sep 10, 2004 | 03:43 PM
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quick-z's Avatar
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From: Centennial, CO United States
Re: MSD window switch install: where to hook tach wire to???

I hooked mine into the PCM. All I had to do was splice it into the tach wire. I can't remember which terminal it was, but I think that it was 13.
Old Sep 10, 2004 | 06:52 PM
  #4  
DubbyZ28Camaro's Avatar
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Re: MSD window switch install: where to hook tach wire to???

Thats what I kinda figured, but I wasn't for sure...thanks!!
Old Sep 10, 2004 | 08:47 PM
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38oldz's Avatar
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From: boardman ohio
Re: MSD window switch install: where to hook tach wire to???

Ok #13 I have 93LT1 need to know how to add tack. where is #13 ,using dakota dash. HELP . got 4 plugs on pcm ,need to know what one
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