While you wait for answers, we may have found some information which could help you.
Click here for Van Fine Cold
Wiring to relay between fuse and starter motor?
No accessory mode electrics unless engine running?
does the berlingo bend valves when the timing belt snaps?
Braking fault?
Citreon berlingo 1.9 diesal ?
central door locking on Citroen Dispatch van not working properly?
howtomendit.com for free repair help, information and advice.
