Diagnosis and Troubleshooting of Automotive Electrical, Electronic, and Computer Systems 6th Edition by James Halderman

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To determine if a windshield wiper problem is electrical or mechanical, the service technician should ________.
A) Disconnect the linkage arm from the windshield wiper motor and operate the windshield wiper
B) Check to see if the fuse is blown
C) Check the condition of the wiper blades
D) Check the washer fluid for contamination