I've also fitted an ansmann racing fan to mine which is 7v 0.19a.
http://www.modelsinmotion.co.uk/prod...nector_id26117
had to cut the wires and solder the losi connector to it but it was no hardship.
or if you have a spare servo connector on receiver, plug it in there.
or go the whole hog and get a new losi fan.
http://www.dms-racing.com/fruzat/qax...SQL/search.asp
bloody expensive though.