FUEL FILTER HEATER CIRCUIT. (Cont) - TM-9-2350-238-20-10339

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 14. To access wiring harness, remove hull engine compartment deck assembly

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

socket A (lead 403A). Ground black probe. Set MASTER switch ON. Set

fuel filter heater switch ON. If multimeter indicates about 24 volts, go to

step 15. If multimeter indicates no voltage, repair lead 403A between wiring

harness disconnect and fuel filter heater. Refer to page 2-371. Set

MASTER switch OFF. Set fuel filter heater switch OFF. Connect wiring

harness.

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