FUEL FILTER HEATER CIRCUIT. (Cont) - TM-9-2350-238-20-10332

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Remove lead 10 from 15A circuit breaker. Connect multimeter to 15A

Step 4.

circuit breaker receptacles. If multimeter indicates 0 ohms, repair lead 10.

Refer to page 2-371. If multimeter indicates infinity, replace 15A circuit

breaker. Refer to page 2-1029. Connect leads.

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Disconnect lead 403B from fuel filter heater switch. Place red probe in lead

Step 5.

403B. Ground black probe. Set MASTER switch ON. If multimeter

indicates about 24 volts, go to step 6. If multimeter indicates no voltage,

repair lead 403B between fuel filter heater switch and 15A circuit breaker.

Refer to page 2-371. Set MASTER switch OFF. Connect lead.

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