Tachometer Does Not Operate - Mazda MX-5 1990 Workshop Manual

INSTRUMENT CLUSTER
T
Symptom: Tachometer does not operate.
9MUOTX-071
9MUOTX-069
Step 1 - Preparation
1. Remove the instrument cluster. (Refer to page T -33.)
2. Connect a test tachometer between terminals 1 Hand 2J
of the harness side connector.
Step 2
1. Start the engine.
2. Check that the test tachometer indicates engine speed.
Indicates rpm
Action
Yes Replace tachometer
No
Repair wiring harness
(Instrument cluster - Igniter)
T-29