#1: battery light on when driving. Author: 2Oh!6, Location: GloucesterPosted: Mon Jun 06, 2011 4:06 am ---- Hey guys, was driving and all of a sudden the battery light came on and my stereo went off, I stopped the car disconnected the battery as I thought it must have been loose but it was fine. Now when the ignition is on 2 clicks there is no battery light but on when the engine is running.
I've checked the altenator and the belt is on can't see any loose cables, thinking the altenator may be dead as I'm guessing the light is meaning its not charging, any help would be great.
#2: Re: battery light on when driving. Author: CD-B3, Location: Salisbury / New ForestPosted: Mon Jun 06, 2011 4:08 am ---- Most likely an alternator fault. Get it scanned as they will probably be an error code if the light is on.
#3: Re: battery light on when driving. Author: MrZiggerz, Location: Milton KeynesPosted: Mon Jun 06, 2011 4:09 am ---- Try to start it, turn it off, then start it again, if the alternator was dead then it wouldn't start back up the second time.
#4: Re: battery light on when driving. Author: macca1411, Location: Westhoughton, LancashirePosted: Mon Jun 06, 2011 4:16 am ----
MrZiggerz wrote:
Try to start it, turn it off, then start it again, if the alternator was dead then it wouldn't start back up the second time.
It would start as there could still be enough charge in the battery to kick the engine over.
Get a multimeter onto the battery terminals while engine is running and see what voltage it's kicking out should be around 13.5v IIRC. If its much less then the alternator is fooshed and will need replaceing.
If your not keen on checking it yourself, most garages and accessory shops will do it for free.
#5: Re: battery light on when driving. Author: CD-B3, Location: Salisbury / New ForestPosted: Mon Jun 06, 2011 4:22 am ----
macca1411 wrote:
MrZiggerz wrote:
Try to start it, turn it off, then start it again, if the alternator was dead then it wouldn't start back up the second time.
It would start as there could still be enough charge in the battery to kick the engine over.
Get a multimeter onto the battery terminals while engine is running and see what voltage it's kicking out should be around 13.5v IIRC. If its much less then the alternator is fooshed and will need replaceing.
If your not keen on checking it yourself, most garages and accessory shops will do it for free.
This.
My alternator belt came off the 530 at the weekend. Would start fine & drive for a bit. But it eventually died.
#6: Re: battery light on when driving. Author: MrrNoName, Location: UKPosted: Mon Jun 06, 2011 6:08 am ---- it came off? didnt somebody say that the 530d's belts were prone to slipping off only a few days ago lol?
#7: Re: battery light on when driving. Author: CD-B3, Location: Salisbury / New ForestPosted: Mon Jun 06, 2011 6:15 am ----
MrrNoName wrote:
it came off? didnt somebody say that the 530d's belts were prone to slipping off only a few days ago lol?
That was Andy. I text him saying what had happend before I posted on here
#8: Re: battery light on when driving. Author: Rob2859, Location: HalifaxPosted: Mon Jun 06, 2011 6:44 am ---- look at your headlights too. they can look a bit dim if the alternator is struggling.
#9: Re: battery light on when driving. Author: devman, Location: Hoddesdon, HertsPosted: Mon Jun 06, 2011 8:06 am ---- Try fuse 22. 10amp. I had problems with this, similar symptoms.
#10: Re: battery light on when driving. Author: devman, Location: Hoddesdon, HertsPosted: Mon Jun 06, 2011 8:09 am ---- ...and you've got the same model as me!
#11: Re: battery light on when driving. Author: 2Oh!6, Location: GloucesterPosted: Thu Jun 30, 2011 4:17 pm ---- Ha 24 days later after your reply forgot about this, the altenator was fine and it was indeed those fuses. Must be something with 2000 plate 2.0 china blue hdi's.
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