Having problems with your 1990 Ford Mustang ?

Wiring harness to the distributor

\015 Need to know what wire goes back into the tachometer\015 Posted / edited by AnonymousUser on : 17-06-2019

Answers :

The wiring diagram I have does not show a wire to the tach from the ICM or the coil. And I don't have a diagram for the cluster.
In most cases, the tach is fed off the negative side of the coil which in this case should be the dark green and yellow wire. The factory tach may get the signal from the computer instead of directly from the engine using a different color.
I am sorry but fixya has no wiring diagrams.
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