I have a GSX600F on a 2004 plate the speedometer and trip meter stopped working recently, checked speed sensor and wiring from this up to speedometer unit no breaks so bought new speedometer. When fitted worked for about 100 yards but when went into second gear new one stopped working also anybody got any ideas what may be causing this or what else I can check PLEASE HELP as 400 quid spent for nothing at wits end.............