Automatic starting mystery

[robbo_yobbo]

I have inherited a problem that I dont know if its actualy a problem.

I turn the car to the run position (dont need to turn all the way to start) and it automaticaly starts and once its running, stops cranking itself on its own....

The thing thats wired is I had one AU that did it, and one AU that didnt and I have combined the 2 cars into one, and now the hybrid does it.

CAR A - Started normaly when you turned ignition to the start position

CAR B - Cranked itself automaticaly and stopped itself once it was idling

Now I used the chassis of CAR B, and the only wiring that was kept original were the Orange and White wiring harneses behind the fuse box, and the harnes that runs to the back speakers, tail lights and fuel pump/sender, and the fusebox under the bonnet.

I removed (from car B) the motor, ECU, Engine wiring harnes, Dash+ interior fusebox, Dash harnes from ECU to BEM, The BEM and the entire steering colum, ignition switch and wiring, gearbox and tailshaft, and replaced it with the corresponding parts from CAR A.

Now the hybrid car does the wierd starting thing. I turn it to the ACC position and nothing lights up, but I hear a click of a relay, then I turn it to Run, and it fires itself up no problems, and all the dash displays correctly.

What makes it realy wierd, is all the parts I thought could have coaused it, came from CAR A which wasnt doing it.

So after all that, what on earth is causing this to happen??? Its not a massive drama, but Im pretty sure its not supposed to be doing it, has anyone else had this happen??.