A relay is being checked out of the vehicle using a DMM. Technician A says that the coil winding can be checked by selecting the DC volt setting. Technician B says that the coil should measure OL on the meter if the relay is okay. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
d. Neither Technician A nor B
Neither technician is correct. Technician A is not correct because a coil of a relay, out of the vehicle, cannot be checked for voltage drop using DC volt scale because there is no applied voltage. Technician B is not correct because the relay coil should measure between 60 and 100 ohms for most relays and should not read OL (open circuit or over limit in the motor). Answers a, b, and c are not correct because neither technician is correct.
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