Bruce W Manistque , MI October 06, 2014 Appliance: Model AMMANA 18 CU FT REFRIDGERATOR The defrost timer malfunctioned The Appliance Parts Pros telephone representative made sure I ordered the correct part and it was shipped in very short order to my home. Installation was easy as unplugging the refridgerator, removing two screws, unpluggeing the old part, plugging the new one to the wire connector on the redridgerator and re-installing the screws. Plugged the refridgerator back in and it started up just as it should. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes