Tachometer - Inoperative
Ignition running. Test ignition module connector terminal C or diagnostic connector D1-1. If no AC voltage is present, replace ignition module.
Test instrument cluster connector terminal 12.If no AC voltage is present, repair open between ignition coil and instrument cluster.
Inspect instrument cluster printed circuit for cracks or poor connections. If instrument cluster is ok, replace tachometer. If crack or poor connections are detected. replace printed circuit.