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 128 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

C. MASTER RELAY CIRCUIT.

Step 1. Disconnect wiring harness from amaster relay. Place red probe in plug

socket (lead 459) and ground black probe. Set MASTER switch ON. If

multimeter indicates no voltage, go to step 2. If multimeter indicates abott

24 volts, go to step 3. Set MASTER switch OFF. Connect harness

to master relay.

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