AIR INTAKE FAN AND SOLENOID CIRCUIT. (Cont)

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.

Disconnect connector from air intake fan. Place red probe in socket A (lead

Step 10.

344). Ground black probe. Set MASTER switch ON. Set AIR INTAKE

FAN switch ON. If multimeter indicates about 24 volts, go to step 11. If

multimeter indicates no voltage, repair lead 344 between wiring harness

disconnect and air intake fan. Refer to page 2-371. Set MASTER switch

OFF. Set AIR INTAKE FAN switch OFF. Connect connector to air intake

fan.

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 11.

Place red probe in socket A (lead 314). Place black probe in socket B

(ground) of air intake fan. Set MASTER switch ON. Set AIR INTAKE FAN

switch ON. If multimeter indicates about 24 volts, notify direct support

maintenance. If multimeter indicates no voltage, repair air intake fan ground

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

FAN switch OFF. Connect connector to air intake fan.

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