New Holland T8010 Manual page 1323

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.
IMPORTANT: DO NOT use a self-powered test light for any of these tests. Use of a self-powered test light can
cause damage to components in this system.
WARNING: 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.
Symptom
No power at one fuse.
No power at switched fuses
1, 2, 3, 4, 5, 6, 9, 12, 20, 22,
23, 24, 25, 26, 29, 31, 37, 39,
41, 43, 44, 45, 46, 47, 48, 49
or 52.
No power at switched fuses
30, 33, 34, 35, 36, 38, 39, 40
and 43.
Section 55 - Electrical System - Chapter 1
POWER DISTRIBUTION SYMPTOM CHART
Possible Cause
Power supply to fuse
Cab power relay
Controller relay
Cab power relay
Reference/Test
Go to fuse/circuit chart to
determine power supply circuit.
Go to cab power relay test.
Go to controller relay test.
Go to cab power relay test.
55-1-142