battery light staying on

[Jimmy Gibson]

battery light staying on but alternator still charging battery any ideas

[polar]

What is the alternator charging at? Could be a diode down in the alternator back feeding to earth? Could be a bit of water in the BSI.

[dumdum]

From memory on the early lingos the wire goes direct from alt to clocks and they don’t really have a bsi as such in the early ones, a big lump of fuse box, so I’d say probably a regulator issue or as said one of the diodes has blown although that tends to give a dim light rather than a bright as per pre starting brightness

[Gadgetman]

which year is your Berlingo from?

I believe they got the BSI around 2000?

Check voltage after you've revved the engine up to 3K or so.

[Jimmy Gibson]

sorry i didnt get back sooner but i was busy running up and down the country as my daughter decided to move house just before xmas but the problem with the battery light was that i should have gone to specsavers as it was the rad warning light thanks for the replys