My cruise control isn't working, what are the common causes?
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2000 Chevrolet S10 Question: Cruise control
Answer #1Bret Bodas from RepairPal Test Shop, October 28, 2009, 16:55Master
It's common for the cruise control system to operate on vacuum, so check the vacuum hoses for the cruise control system. Check that the brake light and clutch pedal position switch (if equipped) are adjusted properly and operating properly. If all this is OK then it will require a more extensive diagnosis that is better suited to a trained technician.