TAILLIGHT BLACKOUT MARKER 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.

To access bulkhead disconnect, remove driver's seat, refer to page 2-952;

Step 3.

and remove driver's compartment aft cowl, refer to page 2-928. Disconnect

wiring harness. Place red probe in socket F (lead 24). Ground black probe.

Set MASTER switch ON. Turn vehicular light switch to BO MARKER. If

multimeter indicates about 24 volts, repair lead 24 between bulkhead

disconnect and stoplight-taillight. Refer to page 2-371. If multimeter

indicates no voltage, repair lead 24 between bulkhead disconnect and

vehicular light switch. Refer to page 2-371. Set MASTER switch OFF.

Turn vehicular light switch OFF. Connect wiring harness.

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