A technician is diagnosing a vehicle for slow wiper operation. When the linkage from the motor is disconnected and the wiper motor is turned on, the motor runs normally. Technician A says the motor has a poor ground connection. Technician B says the linkage is binding. Who is correct?

Question

Quizplus · Accepted Answer

The motor running normally when disconnected from the linkage suggests that the motor itself is not the issue. Therefore, the problem is likely with the linkage, which may be binding and causing the slow operation when connected.

A Technician Is Diagnosing a Vehicle for Slow Wiper Operation