What's this connector for?

[fj 0]

This has started rattling inside my door over the last couple of weeks. It was disconnected and loose. Seems to connect to the central locking mechanism. THing is, everything in the door works OK with it disconnected, and there's a little bit of corrosion on the connector making me think it's probably been like this a while. Doesn't look aftermarket either?

 

Any ideas? I've sold the car, and thought I'd just fix a couple of minor irritations for the new owner....

 

P.S. Pic is of the back bottom corner of the passenger door. Cheers

[bigpants baby 0]

looks like the elec connectors from/to your outer door handle.

[fj 0]

Of course - doh! I've never used the key to open the doors!

 

Thanks!