FUEL FILTER HEATER CIRCUIT. (Cont) - TM-9-2350-238-20-10338

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 13. Disconnect lead 403A from fuel filter heater switch. 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 14. If multim-

eter indicates no voltage, replace fuel filter heater switch. Refer to page

2-1029. Set MASTER switch OFF. Set fuel filter heater switch OFF. Con-

nect lead.

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