ENGINE OIL PRESSURE INDICATOR CIRCUIT. (Cont)

TM 9-2350-238-20-1

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Disconnect instrument (gage) panel wiring harness. Place red probe on

Step 2.

pin F (lead 27) of receptacle. Ground black probe. Set MASTER and

INST switches ON. If multimeter indicates no voltage, repair lead 27 from

INST switch to plug. Refer to page 2-371. If multimeter indicates about

24 volts, repair lead 27 from receptacle to instruments. Refer to page

2-371. Set MASTER and INST switches OFF. Connect wiring harness.

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