TM 9-2350-247-20-1HI TEMP DIFF OIL INDICATOR MALFUNCTIONS (M548A1)—Continued 0058 00CY1. Remove HI TEMP DIFF OIL indicator cover lens (1), gasket (2),bulb (3) and gasket (4) from indicator assembly.2. Measure voltage between indicator center contact and ground.3. Does multimeter read less than 17 volts?YESNOGO TO DY (PAGE 0058 00-5)2CY1. Remove power harness circuit 328/27K plug (1) from HI TEMPDIFF OIL indicator jack (2).2. Measure voltage between circuit 27K pin and plug on ground.3. Does multimeter read less than 17 volts?YESNO2CYN1. Replace HI TEMP DIFF OILindicator assembly (WP 0264 00).2. Verify no faults found.3CY1. Check to see if other indicators on the warning light panel isoperate normally.2. Do any o f the other indicators on the warning light panel operatenormally?YESNO3CYN1. Repair power harness circuit 27F(WP 0294 00).2. Verify no faults found.0058 00-4
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