TM-9-2350-238-20-1

HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1994

TM-9-2350-238-20-1 - Page 251 of 1364

TM 9-2350-238-20-1

Step 3.

Make sure MASTER switch is OFF

before repairing electrical

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

personnel.

Disconnect instrument (gage) panel wiring harness. Place red probe on pin

N (lead 519). Ground black probe. Set MASTER switch ON. Turn

vehicular light switch to SER DRIVE. Press headlamp dimmer switch for

high beam operation.

If multimeter indicates about 24 volts, go to step 5. If

multimeter indicates no voltage, connect wiring harness and go to step 4.

Set MASTER switch OFF. Turn vehicular light switch OFF.

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