Carol D Holden , MA June 12, 2017 Appliance: Frigidaire Electric Range PLES389ECI Frigidaire Range Ples389eci: I needed a new infinity switch for my frigidaire built in range. How to replace Surface Element Control Board (Dual Element). Pulled off old switch re wired new 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes