When i ordered a defrost timer on March 16th i got it on the afternoon of March 17th ,took 2 screws out ,unplug old defrost timer and pit new one in within 5 minutes, plugged refrigerator back in and everything started working perfectly as well as now on March 24th .thanks so much for the advice and the very fast service and cheap prices .i will be coming back for all my future appliance parts ,thabks again ,Steve