How to Troubleshoot the Cruise Control in an Oldsmobile Delta 88
- 1). Take the Oldsmobile Delta Eighty Eight for a test drive, accelerate the vehicle to the minimum cruise control speed of 25 miles per hour. Press the "On" lever for the system and the "Set" button to engage the cruise control. Take you foot off of the accelerator and observe to see if the car maintains the set speed. If the speed fluctuates or does not maintain the set speed turn the system off.
- 2). Turn the Oldsmobile Delta Eighty Eight off open the fuse box located under the dashboard on the driver's side of the car. Remove the fuse for the cruise control system and inspect the plastic portion of the fuse. If the metal strip in the plastic end of the fuse is broken, then the fuse will need to be replaced.
- 3). Inspect the speed sensor and wiring harness. The speed sensor is located on the right front axle. Inspect the wires looking for frayed or broken wires. If the any of the wires are broken or frayed the speed sensor and wiring should be replaced by a trained mechanic.