98 Grand Cherokee Tach Wire

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01z2nv

Member - Posts: 1

Joined: October 29, 2006

Location: United States

Posted: December 14, 2006 at 2:59 PM / IP Logged

Ok so I have read that you can tap the tach wire at the coil or pcm.... believe it was gray/white, my question is does anyone know if this color follows through to the back of the speedometer and tach in the dash. Was just thinking I would rather tap it there if possible. So if anyone can confirm this or knows which wire it is back there it would be greatly appreciated...

Thanks

Hymer

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Joined: November 20, 2004

Location: United States

Posted: December 14, 2006 at 3:17 PM / IP Logged

Grey and white atthe PCM I don't think it goes to the dash... runs coil to PCM and from there is anyones guess...

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mobilecustoms

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Joined: November 04, 2005

Posted: December 14, 2006 at 3:53 PM / IP Logged

try an injector wire

xtremej

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Joined: February 24, 2006

Location: United States

Posted: December 14, 2006 at 5:31 PM / IP Logged

I would advise not attempting finding tach at the gauge cluster on this vehicle. If removed the computer looses communication with the idle control and it will red line when re-started, trust me i did it. If you decide to try it, diconnect the battery after you unplug/remove the cluster.....

mobilecustoms

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Joined: November 04, 2005

Posted: December 14, 2006 at 5:32 PM / IP Logged

thats good to know

installmarc

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Joined: August 31, 2006

Location: United States

Posted: December 14, 2006 at 6:38 PM / IP Logged

i have found the tach located in the group of wires directly above the gas pedal . i think it was gray/blue

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

98 Grand Cherokee Tach Wire

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