FUEL FILTER HEATER CIRCUIT. (Cont) - TM-9-2350-238-20-10340

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 15. Disconnect lead 403A from fuel filter heater. Place red probe in lead 403A.

Ground black probe. Set MASTER switch ON. Set fuel filter heater switch

ON. If multimeter indicates about 24 volts, go to step 16. 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 lead.

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