Question

14.) a trunk light circuit is being diagnosed. the technician observes the voltage reading shown on the dmm when the trunk is open. which of these could be the cause? (a) blown fuse (b) blown bulb (c) high resistance at w (d) high resistance at x

Explanation:

A blown fuse would cause an open - circuit in the trunk light circuit. A blown bulb would not necessarily make the trunk open - circuit as there are other parts in the circuit. High resistance at points W or X would not directly cause the trunk to be open in the sense of the overall circuit being non - functional like a blown fuse does. A blown fuse interrupts the flow of current throughout the circuit.

Answer:

A. Blown fuse