DRIVER'S HEATER FUEL PUMP 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.

Step 3.

To access wiring harness, remove hull engine compartment deck assembly

lid. Refer to page 2-935. Disconnect wiring harness. Place red probe in

socket D (lead 402 R). Ground black probe. Set MASTER switch ON. Set

START-OFF-RUN switch to START. If multimeter indicates about 24 volts,

go to step 4. If multimeter indicates no voltage, repair lead 402R between

disconnect and wiring harness disconnect. Refer to page 2-371. Set

MASTER switch OFF. Set START-OFF-RUN switch OFF. Connect wiring

harness.

2-337