dphc18
08-28-2011, 01:32 AM
My factory tach is not working does anybody know what pin in the harness connecter behind the cluster is for the tach and what I would be testing for Voltage or resistance? The scanner shows rpm when hooked up to OBD II connection so it must be something with the cluster or wire to the cluster.
Its a 99 T/A
Its a 99 T/A