I've got to the bottom of it! :D Turns out it isn't the slide connection (which I have stupidly been calling 'push switch' so far) itself, but the connection wire. I connected a piece of wire from inside the connector (I jammed it in alongside the existing wire and gaffer taped them together)...

Yeah, the starter is the correct one. I have now: Taken the new starter off as the post on top of the solenoid was wobbly, fixed this with a washer so that the post has no play in it. Tested the new starter motor on a battery using jump leads (it turns fine). Put the new starter motor back...

In further developments - the battery does not appear to be carrying much charge, I have placed a jump lead to the post on the old starter motor and it isn't turning, although the lights etc are working...this may explain why I'm not even getting a 'click'. The battery was new in feb. I am now...

Hi all, I have recently bought a 'new' starter motor for my defender 200 TDi (H reg). I bought it from a breaker, but it should be a matched part. It is a Bosch one, and slightly different to the one that was in there. I have, after much swearing got the old one off and the new one on...