TM 9-2350-238-20-1
2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).
L. ENGINE OIL PRESSURE INDICATOR CIRCUIT.
Step 1.
To access indicators, remove driver's instrument (gage) panel. Refer to
page 2-571. Disconnect lead 27 from ENGINE OIL PRESS indicator.
Place red probe in lead 27. Ground black probe. Set MASTER and INST
switches ON. If multimeter indicates no voltage, go to step 2. If
multimeter indicates about 24 volts, go to step 3. Set MASTER and INST
switches OFF. Connect lead 27 to ENGINE OIL PRESS indicator.
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