RepairPal Certified shops can diagnose and repair your 1994 Chevrolet Caprice. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Sounds like the blower motor resistor has failed and will need replacement here what they look like http://www.napaonline.com/Search/MultiImagePopup.aspx?ImageIndex=0&A=ECHBR78_0239905178&An=599001+101994+50012+2012014 about $25 at the parts store