Dakota 2WD V6-239 3.9L (1987)
Tachometer: Testing and Inspection
1. Remove instrument cluster.
2. Check wiring continuity. Check wiring from engine controller to cluster connector.
Tachometer Drive Module
3. If wiring continuity is good, replace tachometer drive module.
4. If tachometer continues to be inoperative, replace tachometer.
