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 252 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 4.

Disconnect connector from headlamp dimmer switch. Place red probe on

pin F. Place black probe on pin H. If multimeter indicates 0 ohms, repair

lead 519 from headlamp dimmer switch to HI BEAM IND light. Refer to

page 2-371. If multimeter indicates infinity, replace headlamp dimmer

switch. Refer to page 2-584.

Step 5.

Place red probe on pin N (lead 519). Place black probe on pin M (lead

.

519). If multimeter indicates infinity, repair lead 51-9 from disconnect plug to

HI BEAM IND light. Refer to page 2-371. If multimeter indicates 100 ohms,

replace headlamp dimmer switch. Refer to page 2-584. Connect wiring

harness.

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