TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 390 of 1205
TM 9-2320-387-24-l
lNSTR”MENTS
ClilculTl
653
TEsT omoNIAGNOSTIC
FLOWCHART
I
KNOWN INFO
POWER TO WIPER
MOTOR
DISCONNECT
SWITCH WIRING FROM
MOTOR ASSEMBLY.
WITH SWITCH IN
THE OFF POSITION, DO YOU HAVE
CONTINUITY
FROM INPUT
CONNECTOR
(BATTERY)
AND
SOCKET 4? YOU SHOULD ALSO
HAVE CONTINUITY
BElWEEN
PIN 2
AND SOCKET 3.
MULTtMETER
I-
POSSIBLE
PROBLEMS
WIPER MOTOR
WIRING
L
KNOWN INFO
POWER TO WIPER
MOTOR
POSSIBLE
PROBLEMS
WIPER MOTOR
WIRING
i
REASON
FOR OUESTlON
This will
determine if switch is
defective.
WITH SWITCH IN THE LOW SPEED
POSITION, DO YOU HAVE
CONTlNUlTY
FROM INPUT
CONNECTOR
(BAmRY)
TO PIN 2?
WITH THE SWITCH IN THE HIGH
SPEED POSITION,
CONTINUITY
SHOULD EXIST BETWEEN INPUT
CONNECTOR
(BATTERY)
AND PIN 1.
T OPTlONS
MULTlMEiER
REASON
FOR QUESTldN
This will determine if switch
is defective.
I
REPLACE
WlPER
WITH SWITCH DEPRESSED
FOR THE
PUSH-TO-WASH
OPERATION,
CONTINUITY
SHOULD EXIST
BETWEEN THE INPUT CONNECTOR
(BAlTERY)
AND WASH TERMINAL.
MULTlMETER
2-336
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