New Holland T8010 Manual page 1382

Test point
1 Key ON.
Select low speed on rear
wiper switch.
Does rear wiper motor
operate at low speed?
2 Turn rear wiper switch
OFF.
Does rear wiper PARK?
3 Operate rear washer
switch.
Does rear washer motor
operate?
Test point
1 Key ON.
Select low speed on front
wiper switch.
Does front wiper motor
operate at low speed?
2 Select high speed on front
wiper switch.
Does front wiper operate at
high speed?
3 Turn front wiper switch OFF.
Do wipers PARK.
4 Access front wiper switch
connector 127.
Check for 12 volts at
cavity 3.
5 Check for 12 volts at inline
connector 13, cavity R.
6 Check for 12 volts at front
wiper motor connector 115,
cavity B.
Section 55 - Electrical System - Chapter 1
D - Rear Wiper/Washer Switch Test
Good Reading
Go to next test point.
Go to next test point.
Rear wiper/washer switch
good.
E - Front Wiper Motor Test
Good Reading
Go to next test point.
Go to next test point
Wiper motor good.
Go to next test point.
Go to next test point.
Confirm front wiper motor
ground, test point A-4. If
ground is good, replace
front wiper motor.
55-1-201
Possible Cause of Bad Reading
Go to test point G-3.
Go to test point G-9.
Go to test point H-1.
Possible Cause of Bad Reading
Go to test point E-4.
Go to test point E-7.
Go to test point E-10.
Confirm switch power supply, test
point A-1. If power supply is good,
replace switch.
Open circuit 834A (O).
Open circuit 833B (O).