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Once again, with the thermostat on, the reading on the multimeter should be above at least 12V. Also visually inspect the circuit board, looking for any burnt or discolored areas or physical damage. Circuit board test. All photos by DashboardDrifters Blower motor To test the blower motor ...
TRMS Multimeter eM860T Read More This meter just paid for itself. My in floor propane heater stopped working so i tested the thermopile that tested good. Tested the thermostat and that tested bad using the mv setting. The meter locked on to the reading in a second. SA...