New Holland T8010 Manual page 1364

Test point
4 Hold Mirror switch in
DOWN position.
Measure voltage at
terminal 2 of right mirror
connector 112.
5 Ignition Off.
Set DVOM to measure
continuity.
Hold mirror switch in IN
position.
Check for continuity from
left mirror connector 112
terminal 2 to ground.
6 Hold mirror switch in OUT
position.
Check for continuity from
left mirror connector 112
terminal 3 to ground.
7 Hold mirror switch in UP
position.
Check for continuity from
left mirror connector 112
terminal 2 to ground.
8 Hold mirror switch in
DOWN position.
Check for continuity from
left mirror connector 112
terminal 1 to ground.
Section 55 - Electrical System - Chapter 1
F - Left Mirror Assembly Test
Good Reading
12 volts
If good reading, go to next
test point.
Continuity
If good reading, go to next
test point.
Continuity
If good reading, go to next
test point.
Continuity
If good reading, go to next
test point.
Continuity
If good reading, and left
mirror does not operate
properly, replace left mirror
assembly.
55-1-183
Possible Cause of Bad Reading
Open in power mirror switch.
Open in power mirror switch.
Open in power mirror switch.
Open in power mirror switch.
Open in power mirror switch.