Tachometer: Testing and Inspection
Tachometer1. Connect a tune-up test tachometer and start the engine.
2. Compare the tester and tachometer indications If the difference is excessive, replace the tachometer
CAUTION:
- Reversing the connection of the tachometer will damage the transistor and the diodes inside.
- When removing and installing the tachometer, be careful not to drop or subject it to severe shock.