Replacement second hand Seat Wiring drivers seat

I have recently purchased a replacement drivers seat from an online scrap merchant.

Seats fits perfectly and the wiring plugs are more or less the same except that the new seat airbag plug does not fit as it is slightly different.

Both seats have 3 wires so I was going to cut the plug off the old seat and fit it on to the new seat.

Both have 3 wires, the old seat has black, blue and brown, and the replacement seat has Brown, Green and White. Can anyone tell me which wires to connect to which.

Any help much appreciated.