New Holland T8010 Manual page 1374

Test point
4 Ignition switch in Run
position.
Check for continuity from
connector 161 terminal 1
to terminal 6.
5 Ignition switch in
Accessory position.
Check for continuity from
connector 161 terminal 1
to terminal 6.
6 Ignition switch in Off
position.
Check for continuity from
connector 161 terminal 1
to terminals 2, 3, 4, 5, 6.
Test point
1 Ignition switch in Run
position.
Measure voltage at FNRP
module connector 219
terminal 1.
2 Measure voltage at in-line
connector 51 terminal 1.
3 Measure voltage at ignition
switch connector 161
terminal 2.
4 Transmission control lever
in Park.
Measure voltage at FNRP
module connector 219
terminal 2.
Section 55 - Electrical System - Chapter 1
B - Ignition Switch Test
Good Reading
Continuity
If good reading, go to next
test point.
Continuity
If good reading, go to next
test point.
No continuity
If good reading, ignition
switch operating properly.
C - FNRP Module Test
Good Reading
12 volts
If good reading, go to test
point 4.
12 volts
If good reading, repair
open in 1(A) circuit.
12 volts
If good reading, repair
open in 623A(W) circuit.
12 volts
If good reading, go to next
test point.
55-1-193
Possible Cause of Bad Reading
Ignition switch.
Ignition switch.
Ignition switch.
Possible Cause of Bad Reading
Open in B+ circuit from ignition switch.
Go to next test point.
Open in B+ circuit from ignition switch.
Go to next test point.
Open in B+ circuit from ignition switch.
Perform A - Ignition Switch Power
Supply Test, and
B - Ignition Switch Test
Park/neutral position switch, or
FNRP module