RepairPal Certified shops can diagnose and repair your 1990 Oldsmobile Cutlass Cruiser. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
The turn signal flasher should be mounted above the steering column. From under the dash look above the column and you should see the wires going to the flasher. If your flasher is still making a least some noise following the sound will help find it.