Changing three wire dryer cord to four wire cord.

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I made this drawing using basic paint. The art is crude but the concept is the same.
1.) Turn dryer around and look for access.
2.) Remove any number of 5/16" bolts/ screws that hold the cover in place.
3.) Some dryers require that you bend the plate up to reveal the connection, others simply remove.
4.) There will be a steel strap that connects the neutral(white) wire to the case. Remove this strap.
(They are one in the same back at the panel, before grounds were placed at all box locations; this was how they insured breaker trip when the cabinet became energized)
5.) Place the green wire at the green screw, or where the strap attached to the frame.
6.) Place the white wire on the center lug
7.) The last two wires attach, individually, on the outer lugs.