Wayne W Fredericksburg , VA May 20, 2016 Appliance: Magic Chef Self Cleaning Free Standing Electric Range CER3765AAC Magic Chef Range Cer3765aac: The large burner would only work when the switch halfway and above. How to replace Infinite Switch Top Burner Control Switch. Determined that if the burner worked at all, it was probably just the infinite switch. Followed the instruction video and that solved the problem. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes