Technician A says that the best way to prevent ghost voltage is to always obtain open circuit voltage measurements by placing the DMM voltmeter in series with the circuit being tested. Technician B says that it is never necessary to use a DMM when troubleshooting an electrical problem on a truck with a body control module. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: D

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