Central locking

[bullet_boy]

Hi all,

Hopefully some one has come across this problem before and can point me in the right direction
I've got a 2004 B5 estate,and the cental locking locks ok and tailgate unlocks ok
The problem is the unlocking of all the doors.
It start immediately after changing both headlight bulbs
Q1 Any ideas if there are any relays near the headlights that I may of dislodged,or anything else?
Q2 Any top tips to look into?

TiA