Thanks Charlie, That was a very good diagnoses and solution to your problem. It looks like you have some good data to show the effectiveness of your fix. I believe my issue is similar to yours. Ice builds up in the same location due to air freezing. I did not notice any issue with the wires interfering with the cover. I assumed the air was coming from fan opening since it is only a couple of inches from the evaporator tubing. What I did was adhered a short length of weather stripping between the fan opening and tubing where ice builds up. My goal was to eliminate the space by the fan for ice to accumulate. I also resealed the opening at the back wall where the evaporator tubing comes in. Also placed some duct tape on the tubing where the ice starts. Not sure if that will take care of the problem or not. Only time will tell.
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