All it takes is some enclosed LED tape, some research, a few parts, and some time.
Everything you need can be picked up at Amazon, and davidandora includes links in his walkthrough.
That way you wont need a new switch, and the upgrade wont consume a ton of power.
He even shows you how to do the wiring (if its even necessary.)
Hit the link below to check it out.
Upgrade Your Refrigerator Lighting| Instructables
