The fixture will rest on the existing lampshade covering the neon tubes at the front of the case where the front and top glass meet. The low voltage 12 volt connecting wire routes into the motor box and connects to the transformer. The overall length of the fixture is 32-3/8" with fifty-four individual 5600 kelvin temperature, daylight, LEDs. Wire terminals supplied with the new 12V transformer connect to the power source where the neon transformer wires are disconnected.