Testing of the blower motor system shown is being discussed. The power module terminals for both the control and motor ground circuits is backprobed. A voltmeter is connected between the control circuit terminal and chassis ground, and the second voltmeter is connected between the motor ground terminal and chassis ground. Technician A says when the motor is turned off, both voltmeters should read 12 volts. Technician B says as the blower motor switch is rotated from LOW speed to HIGH speed, the readings on the first voltmeter should drop. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: A
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