jcb 4CX - Wiring Continuity Checks

Air Conditioning (cont'd)
Wiring Continuity Checks
Use the illustration below to complete continuity checks on the HVAC/air conditioning system and heater harness wires.The
harness connects to the main machine harness via connector 1. Refer also to the main machine circuit diagram in Section C
Electrics.
Component Key:
1 Main Machine Harness Connector
2 Air Conditioning ON/Off Switch
2A Panel Illumination Bulb
2B Switch Illumination Bulb
3 Blower Switch
4 Binary Pressure Switch
5 Freeze Protection Thermostat
6 Blower Speed Resistor
7 Blower Unit Motor
10 - 8
Section B Body & Framework
9803/3280
Section B
10 - 8
Issue 1
Fault Finding
M
1
AB
2
3
67
45
A401410
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