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Home >> Mercury >> 1997 >> Sable V6-3.0L VIN U >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> JH - Tachometer Output Failure >> Test Notes
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Test Notes

NOTE: Enter this pinpoint test only when directed here from the Symptom Charts, after thoroughly diagnosing the tachometer and tachometer wiring harness.

This pinpoint test is intended to diagnose the following:
- Powertrain control module
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