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 210 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

T. WARNING HORN RELAY.

Brake foot pedal is spring-loaded. Block tracks and release parking

brake before working on warning horn.

Remove driver's seat. Refer to page 2-952. To access warning horn relay,

remove hull transmission compartment deck assembly. Refer to page

2-938. Disconnect wiring harness from warning horn relay. Place red

probe on receptacle pin A. Place black probe on receptacle pin B. If

multimeter indicates 0 ohms, replace warning horn relay. Refer to page

2-637. Connect wiring harness.

U. WARNING HORN CIRCUIT.

2-184