Gordini Seat Plug - Help!

Hi all, so I rescued a 70k mile Gordini from being scrapped nearly two years ago... Bottom end had gone...

Since had a long and painful engine rebuild, finally got the car back and now airbag light and ESP lights on

I have removed the drivers seat for inspection and one of the plugs is not attached, it has some blue on the plug itself? Some initial homework suggests it has something to do with the seat lifting bar to slide seat forward and backwards - but absolutely no idea how it is meant to fit! Nothing obvious to see.

Any help would be massively appreciated.
 
If your car has standard seats then there is a switch under the drivers left slide rail that tells the car if the seat is not clicked into place after being tipped forward so the airbag does not go off. But I have a feeling that if the steering rack was disconnected then you might have broken the steering angle clock spring which will bring on airbag and ESP especially after the car has driven forward which normally turns off the ESP when the battery has been disconected at some time. If the Renault diagnostic is used you can tell which airbag circuit is the cause and if the angle sensor is centered.
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