I used a flat-head screwdriver to pop out the old light rocker switch. Then, I unplugged the wires, plugged them into the new light rocker switch, and then popped the new switch into the hole. That's it! Lights began working again.
After emptying the refrig. door, I unscrewed the plate on the top of the refrigerator that covered the door bolts. Then off with the three bolts. I removed the door by lifting it up a few inches. The two parts of the door cam were easily removed and replaced with the new part. BEFORE REPLACING the door spread vasoline on both cam parts. (Not after as I did. The second time you do any of these repairs go SO much better :o) After putting the door back on, adjust the tension of the screws holding the door in place if needed to align the door on the cams so that it shuts completely. Failure to do this will require taking the top off the door again. (see comment above on "... second time...") If all is properly aligned, the door should swing completely shut. Even with the mistakes that required removing the door to lubricate the cams, and removing it AGAIN to readjust the screws on the top to properly align the door on the cams, this was a twenty minute job. My wife and I were still speaking to one another at the end of it- a sure sign of an easy repair.
An easy job for smaller hands. Removed the two bolts holding the light cover. Removed two electrical connections from the old switch by pinching the retaining clip,removed the switch, snapped in the new one and re-attached the connectors. Your online illustrations helped me to know that the plastic housing for the light switch would only swing down so far and was not intended to be removed. Saved me from breaking that plastic cover's tabs. This home repair saved me more than 5 times the cost of hiring a professional to do it. Very happy homeowner.