ENGINE OIL PRESSURE INDICATOR CIRCUIT. (Cont)

TM 9-2350-238-20-1

To access engine disconnect, remove hull transmission compartment deck

Step 5.

assembly. Refer to page 2-938. Disconnect wiring harness at engine

disconnect. Place red probe on pin M (lead 36) of plug. Ground black

probe. Start engine and run at 1000 to 1200 rpm. Check resistance and

stop engine. If multimeter indicates less than 10 or more than 16 ohms,

repair lead 36 between engine disconnect and engine oil pressure

transmitter. Refer to page 2-371. If multimeter indicates 10 to 16 ohms,

go to step 6. Connect wiring harness at engine disconnect.

Step 6.

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

pin E (lead 36) of receptacle. Ground black probe. Start engine and run

at 1000 to 1200 rpm. Check resistance and stop engine. If multimeter

indicates 10 to 16 ohms, repair lead 36 from receptacle to ENGINE OIL

PRESS indicator. Refer to page 2-371. If multimeter indicates less than

10 ohms or more than 16 ohms, repair lead 36 from plug to engine dis-

connect. Refer to page 2-371. Connect wiring harness.

2-153