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Need to know tach signal wire!

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Old 05-25-11, 04:21 AM
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Need to know tach signal wire!

If anybody knows where the signal comes from cas,ignitor chip ext.

bought the car wires was a mess got everything to work but tach and temp.

so If anybody knows what wire supplys the tach signal from the engine bay to the cluster any help would be great thanks!
Old 05-25-11, 04:47 AM
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here's the part from the body electrical troubleshooting manual
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Old 05-25-11, 05:05 PM
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I think you will find the tach signal fed from the ECM pin 2B through a yellow/blue wire to the instrument cluster pin 3F. It also feeds the Data Link Connector IG interface. This wire I believe is in the Front harness....
Old 05-27-11, 07:39 AM
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the tach signal wire actually come straight from one of the ignition coils....if i remember correctly it's the leading...but i'll double check when i get a few minutes...but it is the blue and yellow wire that comes in to the back of the gauge cluster....i have the bouncing needle and had to install an aftermarket tach is the reason i know, it's ricer and gaudy i know but it's needed right now
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