R32 Gtst Wont Turn Off

[david69]

Tried replacing my starter and 90% of the time its clicks a few times when your turn the key to start the car,clicking sound coming from the starter,Also with the turbo timer on or off 90% of the time the car wont turn off unless you press the accelerator slightly.the accessories all turn off but the motor still runs,not perfectly as smooth as when the ignition is on but it is still running pretty smooth until I press accelerator.someone mentioned once about a alternator diode,but no understand.Does anyone have any ideas.Surely this has happened to someone before..cheers.