While you wait for answers, we may have found some information which could help you.
Click here for Light Dash DashboardBattery drain (or alternator or electrics?) on Citroen Berlingo 2008?
Servo ?
Citroen Berlingo 1.6 hdi will not start. ?
Citroen Berlingo 1.6 hdi will not start with key?
How can I fix my central locking?
Wiring to relay between fuse and starter motor?