New Holland CX720 Repair Manual page 2974

Wiper system Motor - Testing (E.34.A.65.01 - G.40.A.20)
NOTE: The batteries must be fully charged and all connections clean and tight. Use a multimeter (DVOM) for these
tests. For battery testing and service, see the battery section in the service manual.
DO NOT use a self-powered test light for any of these tests. Use of a self-powered light can cause damage
to components in this system. M979
Before performing any of the electrical tests, be sure all operating controls are in neutral or park lock position.
This will eliminate accidental movement of the machine or start-up of power driven equipment. M980
N° Test Point
1 Ignition "ON"
Wiper Switch in "OFF" position.
Check for 12 volts at Wiper Motor
connector X116 (pin 3).
2 Wiper Switch in intermittent position.
Check for 12 volts at Wiper Motor
connector X116 (pin 4 and 5).
3 Wiper Switch in "RUN" position
Check for 12 volts at Wiper Motor
connector X116 (pin 5).
4 Ignition "OFF"
Check for continuity to ground at
Wiper Motor connector X116 (pin 1).
Wiper system Switch - Testing (E.34.A.65.02 - G.40.A.20)
NOTE: The batteries must be fully charged and all connections clean and tight. Use a multimeter (DVOM) for these
tests. For battery testing and service, see the battery section in the service manual.
BODY AND STRUCTURE - USER PLATFORM
CAUTION
WARNING
Expected Result
12 volts.
Go to next test point.
12 volts.
Go to next test point.
12 volts.
Go to next test point.
Continuity found.
If good reading, replace motor.
2 4/7/2006
E.34.A / 12
Other Result (Possible Cause)
Open circuit 275 (WH) between
Wiper Switch connector X135 (pin
3) and Wiper Motor connector X116
(pin 3).
Check in-line connector X036 (pin
15) for connection.
Open circuit 276 (WH) and 277
(WH) between Wiper Switch con-
nector X135 (pin 1 and 6) and Wiper
Motor connector X116 (pin 4 and 5).
Check in-line connector X036 (pin 16
and 17) for connection.
Open circuit 276 (WH) between
Wiper Switch connector X135 (pin
1) and Wiper Motor connector X116
(pin 5).
Check in-line connector X036 (pin
16) for connection.
Open circuit 280 (BK) between
Wiper Motor connector X116 (pin
1) and ground.
Check in-line connector X036 (pin
14) for connection.