New Holland CX720 Repair Manual page 1325

Problem
RH Side Work Light does
not operate.
Unload Tube Light does
not operate.
Grain Tank Light does not
operate.
LH and RH Lower Work
Lights do not operate.
LH and RH Header Lights
do not operate.
LH and RH Cab Outer
Work Lights do not
operate.
LH and RH Cab Mid Work
Lights do not operate.
DISTRIBUTION SYSTEMS - LIGHTING SYSTEM
Possible Cause
LH Side Work Light Relay
Work Light Switch
Bulb
RH Side Work Light Relay
Work Light Switch
Bulb
Unload Tube Light Relay
Bulb
Lower Work Lights Relay
Work Light Switch
Bulbs
Lower Work Light Relay
Work Light Switch
Bulbs
Header Work Lights Relay
Work Light Switch
Bulbs
Cab Roof Work Lights Relay
Work Light Switch
Bulbs
II - LH Side Work Light Relay TestSide
work light Relay - Testing (A.40.A.18.82
- G.40.A.20).
EEE - Work Light Switch TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
MM - RH Side Work Light TestSide
work light Electrical light - Testing
(A.40.A.18.85 - G.40.A.20).
JJ - RH Side Work Light Relay TestSide
work light Relay - Testing (A.40.A.18.82
- G.40.A.20).
EEE - Work Light Switch TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
NN - Unload Tube Light TestUnloading
tube light Electrical light - Testing
(A.40.A.35.85 - G.40.A.20).
KK
TestUnloading
Testing (A.40.A.35.82 - G.40.A.20).
PP - Grain Tank Light TestGrain tank light
- Testing (A.40.A.38 - G.40.A.20).
OO - Lower Work Lights Relay TestWork
light Relay - Testing (A.40.A.30.82 -
G.40.A.20).
EEE - Work Light Switch TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
QQ - LH Lower Work Light TestWork light
Electrical light - Testing (A.40.A.30.85 -
G.40.A.20).
OO - Lower Work Lights Relay TestWork
light Relay - Testing (A.40.A.30.82 -
G.40.A.20).
EEE - Work Light Switch TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
TT
work light Electrical light - Testing
(A.40.A.39.85 - G.40.A.20).
SS
TestHeader work light Relay - Test-
ing (A.40.A.39.82 - G.40.A.20).
EEE - Work Light Switch TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
XX - LH Cab Outer Work Light TestOuter
work light Electrical light - Testing
(A.40.A.34.85 - G.40.A.20).
VV - Cab Roof Work Lights Relay TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
EEE - Work Light Switch TestWork
light Switch - Testing (A.40.A.30.83 -
G.40.A.20).
YY - LH Cab Mid Work Light TestMiddle
work light Electrical light - Testing
(A.40.A.33.85 - G.40.A.20).
2 4/7/2006
A.40.A / 9
Correction
- Unload Tube
tube light
- LH Header Light
- Header Work
Light Relay
Relay -
TestHeader
Lights Relay