Chi S Katy , TX January 05, 2016 Appliance: General Electric Free Standing Microwave JVM1640WB007 Ge Microwave Jvm1640wb007: Frayed wire. How to replace Wire Harness-D. Swapped out the old one with this one. Removed the screws at bottom of microwave, which allowed me to get to the defective wire harness and swap it out. Works great. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes