New Holland WorkMaster 50 Service Manual page 650

Wire connectors - Component diagram 12 - Connectors X-9120 to
X-9129
Connector X-9120 - ECU start relay
NOTE: Relays are in product relay panels. See product service manual for pinout image of this connector.
PIN WIRE NUMBER
NUMBER
30 VE-####
85 VE-9174
86 VE-9173
87 VE-####
-
87A
Connector X-9123 - Lambda sensor
PIN WIRE NUMBER
NUMBER
1 VE-9154
2 VE-9155
3 VE-9200
4 VE-9081
5 VE-9157
6 VE-9156
Electrical systems - Harnesses and connectors
CONNECTOR X-9120 - ECU start relay
CIRCUIT REFERENCE
Switched 12 V source, Neutral switch
Low side switched control, Engine
Control Unit (ECU)
High side switched control, ECU
High side control, Crank relay
-
84301132
84301132
CONNECTOR X-9123 - Lambda sensor
CIRCUIT REFERENCE
Current pump input, Engine Control
Unit (ECU)
Reference ground, ECU
Low side switched control, ECU
Switched 12 V source, Main ECU
power relay
Current adjust input, ECU
Nernst voltage input, ECU
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ELECTRICAL SCHEMATIC FRAME
SHEET 01
1
ELECTRICAL SCHEMATIC FRAME
SHEET 02