transformer

Hi, I have just returned from a journey when braking for a small roundabout (at no more than 20 mph) and started to hear a loud screech which in the limited medium of forum posting sounded exactly like a transformer verymuch like this noise but at avery high pitched level It came from the...

As it says folks, I've got my PC 7424 and now need a transformer to:- A) Fit the 2 pin plug (Easy to find) B) One that can take the wattage of the PC, this is my question. I found pleanty that step down to 110v but I'm concered about the wattage that the PC produces. Some transformers go...