Tachometer Inoperative
Connect Tech 1 scan tool to data link connector. Start engine. Read engine RPM from Tech 1 scan tool. If Tech 1 scan tool displays engine RPM, repair open or short to ground in White wire between ignition coil and instrument cluster terminal No. 8. See Fig 1 . If wire is okay, replace instrument cluster. If Tech 1 displays zero for engine RPM, repair open or short to ground in White wire. If wire is okay, replace ignition coil or Powertrain Control Module (PCM).