1993 GMC C1500 wiper motor rings

JUAN PABLO

MEMBER
1993 GMC C1500

Electrical problem
1993 GMC C1500 6 cyl

when I turn the wipers on th wiper motor wont turn on n a buzzing sound starts ringin.I checked the fuse and its good.I checjed the wirin coming out the steering wheel and its a purple, white and gray cable. The purplr one lights up wen I turn the wipers on and the white one has power wen I turn the switch open with key and the gray one is for the water.I checked the motor and it has a gray, white, orange, black and purple cable. The black one is ground the purple one is from the wiper switch, the white one is power from the key switch, the gray from the water and the purple one has ground also. I think thats were the problem is but am not sure. Can you guys help me out please. What could be the problem?

1 Reply

JACOBANDNICKOLAS

MECHANIC
109,747 POSTS

Hi:
If you're getting power to the motor and it doesn't work, the motor is most likely bad. What I do suggest, however, is disconnect the wipers from the motor and see if the motor still makes the sound or if it works. Something may have jammed in the linkage.

Let me know what you find.

Joe