A ground circuit voltage drop test taken on a vehicle's alternator indicates a 0.965V drop. Technician A says this could cause a problem in the alternator's field current. Technician B says this could affect the output circuit of the alternator. Who is correct?
A) Technician A only
B) Technician B only
C) Both Technician A and B
D) Neither Technician A nor B

Question

Quizplus · Accepted Answer

Both technician A and B are correct. A voltage drop in the ground circuit of an alternator can cause issues with both the field current and the output circuit. The field current needs to be consistent for the alternator to function properly, and a voltage drop may cause it to vary. The output circuit also requires a consistent voltage supply to produce the correct output voltage, and a voltage drop may cause it to decrease.

A Ground Circuit Voltage Drop Test Taken on a Vehicle's