Set Appliance State:

Set Multimeter to DC Volts Set meter to measure DC Volts
Ensure NO demands
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the DC voltage between pin 1 and pin 12 on the ignition control box.
Expect approximately 0 vdc.
Is the voltage measured as expected?