Tach Not Working - Third Generation F-Body Message Boards

rfcomp · 08-11-2009, 03:03 PM

I have a 1990 RS .Well someone really butchered the wiring on this car. Anyway my tach wasn't working so I installed another and it didn't work so I removed the cluster and the connectors in behind . The connector on the right hand of the steering wheel has a white wire coming out of it and has been cut. I can't find the other end so first of all I'm assuming this is causing my problem. Next where does this wire go to, can I run a new wire directly to the distributer?? If I can color wire would I tap into??. Any help would be appreciated. OK I removed the dash now and found this wire fried all the way back to where it goes through the firewall. any ideas??

NINÅ · 08-12-2009, 09:28 AM

The tach wire originates from the coil (the tap of the coil which receives the B+ switching).

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rfcomp · 08-12-2009, 12:50 PM

Thanks, I followed the wire from the top of the coil then ran a new section of wire to the connector on the back of the gauge pod, tach works now.