TM-9-2350-238-20-2
CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1993
CHANGE 1
TM-9-2350-238-20-2 - Page 95 of 495
WARNING
TM 9-2350-238-20- 2
(1) Cab signal flasher headlight and flasher indicator lamps are not operating whe n
MASTER and FLASHER SIGNAL switches are ON .
Step 1.
Disconnect both leads 325 (1) from FLASHER SIGNAL switch (2). Connec t
multimeter to FLASHER SIGNAL switch. Set FLASHER SIGNAL switch ON .
If multimeter indicates continuity, go to step 2. If multimeter indicates in-
finity, replace FLASHER SIGNAL switch, refer to page 2-271. Set FLASHER
SIGNAL switch OFF. Connect leads .
Make sure MASTER switch is OFF before repairing electrical com-
ponents. Failure to observe this warning could result in injury t o
personnel .
Step 2 .
Disconnect connector (1) from flasher assembly (2). Place red probe i n
socket B (3) (lead 325). Ground black probe. Set MASTER switch ON. Se t
FLASHER SIGNAL switch ON. If multimeter indicates about 24 volts ,
replace flasher assembly, refer to page 2-271. If multimeter indicates n o
voltage, repair lead 325 between flasher assembly and FLASHER SIGNA L
switch, refer to page 2-66. Set MASTER switch OFF. Set FLASHE R
SIGNAL switch OFF. Connect connector .
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