where is the windshield wiper circuit board located?
What is your question?
windshield wipers on work once in a while.
What makes this problem better or worse?
only work once in a while
How long has your 1993 GMC G2500 had this problem?
a few weeks
What are the best GMC repair shops?
RepairPal Certified shops can diagnose and repair your 1993 GMC G2500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.