Initial Inspection and Diagnostic Overview

INSPECT TACHOMETER

a. Check operation.
1. Connect the tune-up test tachometer, and start the engine.

NOTE:
- Reversing the connection of the tachometer will damage the transistors and the insides of the diodes.
- When removing or installing the tachometer, be careful not to drop or subject it to heavy shocks.




2. Compare the result of the test with the standard indication.