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rpmdiag, Tech and Instructor
Category: GMC
Satisfied Customers: 6701
Experience:  Since 1975
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My wipers only work on high, no i only replaced the arm on

Customer Question

my wipers only work on high
JA: Have you checked the fuses? Do you know if there is power to the wiper motor?
Customer: no i only replaced the arm on the column
JA: What is the model/year of your GMC?
Customer: 2002
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: i am ,,i checked the wiper relay and replace the switch on the column
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: GMC
Expert:  rpmdiag replied 1 month ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 1 month ago.

The most common problem would be the motor itself, but you can confirm this with a bidirectional test with a scan tool, it will confirm whether it's the module or the motor.

Thanks, Ron

Customer: replied 1 month ago.
Ok great I will try that
Expert:  rpmdiag replied 1 month ago.

The switch is another remote possibility too.

Thanks again and please remember to rate me 5 stars and then keep this link in case you need ma again later on.


Expert:  rpmdiag replied 1 month ago.

Hi, I'm just following up with you to see if you have any more questions.
Thanks, Ron

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