SERVICE BLACKOUT (INFRARED) HEADLAMP CIRCUIT (B0-1R AND VEHICULAR LIGHT SWITCHES)

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.

Place red probe in socket C (lead 24 B). Ground black probe. Set MASTER

Step 5.

switch ON. Turn vehicular light switch to BO MARKER. If multimeter

indicates about 24 volts, trailer receptacle is operating normally. If

multimeter indicates no voltage, repair lead 24B. Refer to page 2-371. Set

MASTER switch OFF. Turn vehicular light switch OFF.

AO. SERVICE BLACKOUT (INFRARED) HEADLAMP CIRCUIT (B0-1R AND VEHICULAR LIGHT

SWITCHES).

PICTORIAL VIEW

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