BLACKOUT STOPLIGHT CIRCUIT. (Cont) - TM-9-2350-238-20-10277

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.

Remove blackout marker assembly from fight stoplight-taillight. Refer to

Step 1.

page 2-617. Set MASTER switch ON. Set panel light switch ON. Unlock

main light switch and place in blackout drive position. Place blackout-

infrared selection switch in blackout position. Place red probe in socket.

Ground black probe. If multimeter indicates about 24 volts, replace blackout

marker assembly. If multimeter indicates no voltage, set MASTER switch

OFF, install marker assembly and go to step 2.

Make sure MASTER switch is OFF before repairing electrical

circuits. Failure to observe this warning could result in injury to

personnel.

Disconnect lead 23 from right stoplight-taillight. Place red probe in lead 23.

Step 2.

Ground black probe. Set MASTER switch ON. Turn vehicular light switch

to BO STOP. Apply brakes. If multimeter indicates about 24 volts, repair

right stoplight-taillight. Refer to page 2-617. If multimeter indicates no

voltage, go to step 3. Set MASTER switch OFF. Turn vehicular light switch

OFF. Connect lead.

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