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 130 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 3.

Disconnect wiring harness from master relay. Place red probe in plug

socket (lead 81) and ground black probe. If multimeter indicates no

voltage, go to step 4. If multimeter indicates about 24 volts, go to step 5.

Connect wiring harness to master relay.

Step

4.

To access bulkhead disconnect, remove driver's seat, refer to page 2-952;

and remove driver's compartment aft cowl, refer to page 2-928.

Disconnect wiring harness (lead 81) at bulkhead disconnect. Place red

probe on receptacle pin and ground black probe. If multimeter indicates

no voltage, repair lead 81 from bulkhead disconnect to battery. Refer to

page 2-371. If multimeter indicates about 24 volts, repair lead 81 from

bulkhead disconnect to master relay. Refer to page 2-371. Connect

wiring harness at bulkhead disconnect.

2-104