SERVICE HEADLAMP, TAILLIGHT, AND STOPLIGHT 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.

Remove marker assembly from left stoplight-taillight. Refer to page 2-614.

Step 6.

Set MASTER switch ON. Place panel light switch in ON position. Unlock

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

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

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

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

OFF, install marker assembly and go to step 7.

Disconnect lead 21 from left stoplight-taillight. Place red probe in lead 21.

Step 7.

Ground black probe. Set MASTER switch ON. If multimeter indicates

about 24 volts, repair left stoplight-taillight. Refer to page 2-614. If

multimeter indicates no voltage, go to step 8. Set MASTER switch OFF and

connect lead.

2-210