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 365 of 1364

TM 9-2350-238-20-1

Bl. DRIVER’S HEATER CIRCUIT.

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 1.

Disconnect wiring harness from driver's heater control box. Place red probe

on pin D (lead 411). Ground black probe. Set MASTER switch ON. Set

START-OFF-RUN switch to START. If multimeter indicates about 24 volts,

go to step 2. If multimeter indicates no voltage, replace driver's heater

control box. Refer to page 2-1029. Set MASTER switch OFF. Set START-

OFF-RUN switch OFF. Connect wiring harness.

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