rheostat, it controls the speeds its basically a variable resister. will be expensive and a pain in the arse to fit. i did one on a megan scenic and with them things you have to take the entire dashboard and airbags out of the car
yep just checked with one of lads whos a ford geek - open glove box squeeze sides in and it will drop forward resistor is held in with a screw - dont get second hand will probs only last 5 mins
