Tachometer: Testing and Inspection
CHECK FOR BATTERY VOLTAGE1. Remove affected gauge and turn ignition switch ON.
Fig. 8 Speedometer/Odometer:
Fig. 9 Tachometer:
2. Using voltage meter, test voltage between Pin 3 and Pin 4 (Fig. 8) and (Fig. 9).
3. If battery voltage is OK, replace gauge. If not OK, check ignition wiring.