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Old Feb 7, 2005 | 04:30 PM
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jrather4.2liter's Avatar
jrather4.2liter
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From: Chandler, AZ
Unhappy tachometer problems

I have connected the tachometer as stated in the forum and it is not working for me. I attached the green wire to the white wire with the pink stripe and the tech does not respond??? Any help available? 1997 F-150 4.2 liter V6.

Thank you
Joshua
 

Last edited by jrather4.2liter; Feb 7, 2005 at 05:28 PM.
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Old Feb 7, 2005 | 10:20 PM
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rmanTX
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what green wire and what white wire?

pls. be more specific
 
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Old Feb 8, 2005 | 08:01 AM
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jrather4.2liter
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The tach has four wires coming out of it. This is just a basic tach with no frills. There is a ground-black, power-red, light-white, and the one that receives the rpm signal from the computer-green. On a 1997 F-150, success has been reported on this forum several times by connecting the green wire from the tach to a white wire with a pink stripe that is located behind the instrument panel cluster on the center connection. I also found this same information on the website that makes my tach. I have everything hooked up and spliced into the white/pink wire. The light on the tach works but when I start the engine, the needle on the tach does not work?

Any suggestions?

Thanks in advance.

Joshua
 
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Old Feb 8, 2005 | 08:04 AM
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rmanTX
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i have heard that there is also an available wire on the coil pack. I have also heard about a specific wire on the computer, i believe #48

This is all i know, hopefully someone else will be able to help further
 
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Old Feb 8, 2005 | 08:37 AM
  #5  
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jrather4.2liter
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I believe that it is the green wire coming out of the coil pack. That would be a pain to run the wire that far. And would probably need to insulate the wire if it is going into the engine bay.
 
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