Use this guide to repair the power supply with a Phillips head screwdriver, a wrench, and pliers. These tools will help secure the screw holding the wire.
First, to remove the plastic bracket, turn toaster oven on its side.
Use Phillips head screwdriver and wrench to remove screw and nut securing the plastic bracket.
Use Phillips head screwdriver and pliers to remove screw and nut securing transformer.
If the wire gets pulled out of the transformer, reinsert it.
Use a small flathead screwdriver to secure the screw that holds the wire in place.