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MicroController Control System Troubleshooting
PROBLEM 23
Hourmeter does not work.
POSSIBLE CAUSE
Key switch and seat switch ON.
The hourmeter requires battery voltage to run.
Measure voltage at hourmeter to ensure that it is
battery voltage.
No voltage Battery voltage
Check continuity from seat switch to
hourmeter positive (+) terminal.
Continuity No continuity
Replace hourmeter.
Check continuity from hourmeter negative (-) to
battery negative.
No continuity
Replace hourmeter.
Repair or replace wire.
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