Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove cover for kW selector and disconnect 4 pin connector
Disconnect 6 wire connector from the PCB
Disconnect 6 wire connector from the PCB
Measurement:
Check for continuity (zero resistance) between the ends of the 4 wires (two blue, two purple) running from the PCB to the kW selector.
Inspect the harness for good overall condition.
Inspect the harness for good overall condition.
Isolate as per TOPs P4
and refit as necessary