The windshield wiper motor is mounted on the upper right-hand corner of the firewall, under the instrument panel, in the passengers' compartment. here a online repair guide http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c15280088435
RepairPal Certified shops can diagnose and repair your 1990 Suzuki Samurai. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.