TM 9-2350-247-20-1HIGH BEAM INDICATOR LIGHT MALFUNCTIONS 0051 00INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)Multimeter (WP 0541 00, Item 29)Jumper WirePersonnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)MASTER SWITCH OFF (see your -10)NOTEM548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown.T1. Check service and infrared headlights (see your -10).2. Do all lights operate properly?YESNOTN1. Go to service headlights do notoperate (WP 0036 00) or infraredheadlights do not operate(WP 0037 00).2. Verify no faults found.Y1. Remove high beam indicator light cover lens (1), gasket (2), bulb(3), and gasket (4).2. Measure resistance between bulb center contact (5) and bulb base(6) for continuity.3. Did multimeter indicate any continuity?YESNOGO TO AY (PAGE 0051 00-2)0051 00-1
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