New Holland T8010 Manual page 1342

Test point
15 Universal switch in right
turn position.
Backprobe electronic
flasher connector 135
terminal 2 with test light.
16 Universal switch in left turn
position.
Backprobe electronic
flasher connector 135
terminal 1 with test light.
17 Headlight switch in any
position (except Off).
Backprobe electronic
flasher connector 135
terminals 9, 10 with test
light.
18 Backprobe electronic
flasher connector 135,
terminals 11, 12 with test
light.
Test point
1 Disconnect electrical
connector from universal
switch.
Place universal switch in
left turn position.
Measure resistance
between terminals 220A
and 220B.
2 Place universal switch in
right turn position.
Measure resistance
between terminals 220A
and 220 C.
3 Place universal switch in
high beam position.
Measure resistance
between terminals 220D
and 220E.
Section 55 - Electrical System - Chapter 1
Electronic Flasher Test
Good Reading
Test light flashes.
If light flashes, go to next
test point.
Test light flashes.
If light flashes, go to next
test point.
Test light flashes.
If light flashes, go to next
test point.
Test light flashes.
If light flashes, electronic
flasher operating properly.
Universal Switch Test
Good Reading
Less than 1 ohm.
If good reading, go to next
test point.
Less than 1 ohm.
If good reading, go to next
test point.
Less than 1 ohm.
If good reading, go to next
test point.
55-1-161
Possible Cause of Bad Reading
Electronic flasher.
Electronic flasher.
Electronic flasher.
Electronic flasher.
Possible Cause of Bad Reading
Open circuit in universal switch.
Open circuit in universal switch.
Open circuit in universal switch.