the microwave will need to be pulled OFF the wall and the exterior wrapper will need to be removed.

Have you Ever worked an a microwave oven before?

ok since you have never workes on one I have to send this to you!!

Consumer Product Safety Commission
Electrocution Hazard with Do-It-Yourself Repairs of Microwave Ovens
CPSC Document #5061
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The U. S. Consumer Product Safety Commission (CPSC) warns against do-it-yourself repairs of microwave ovens. Each year, on average, four people die from electrocution trying to repair their microwave ovens. Microwave ovens use high voltage which makes it particularly hazardous for consumers to remove the cover and touch electrical parts. The possibility for electrical shock from a microwave oven still exists even after the oven is disconnected from the power source. Should certain internal devices fail, even unplugged ovens can cause serious injury.

The Commission strongly recommends that consumers have professionals repair microwave ovens because electrical appliances can be hazardous if consumers expose live electrical parts.

/!\ WARNING
ELECTROCUTION HAZARD
HIGH VOLTAGE

As high as 5,000 volts on the high voltage side.