If you want to raise and lower the TV with a DC engine, you need a way to properly wrap the wires. The easiest solution is to attach the coil (or drum) to the engine shaft. As the engine spins, the wires wrap around the coil and pull the TV up. Turning the engine backs up, he relaxes and reduces the TV. The engine rotates the coil and the wire closes properly. A simple slide guide (like on thread coils) is useful.