Vehicle & Technical > Discovery
Battery woes
Ja1983:
cold damp air and electrics arent the best of friends, but i would expect it to start after been stood for a day or three at least... alarms, immobilisers, radio (station memory) and the clock will all pull a bit out, but not normally enough to kill a battery... try borrowing a battery off something else, if all is well, you know the battery is burgered... if same symptonms then time to check theres no shorts.. also if possible, check the fluid in the battery... if low the lead plates warp, contact, and charge storage is reduced...
if its low, a few pennies at asda will get you a bottle of de-ionised water...
muddyjames:
--- Quote from: "SteveGoodz" ---
The volts drop with the glow plugs energised isn't too surprising. You are drawing about 50Amps after all. Does the voltage start to recover afterwards? It should do.
--- End quote ---
I didnt check to see if it regained. I will do when I get the disco back
--- Quote from: "SteveGoodz" ---
--- Quote from: "muddy james" ---Any ideas?
--- End quote ---
give it about 20 seconds for everything to settle down. Anything more than a few hundred milliamps suggests an abnormal drain. Then we get into a whole different ballgame :D
HTH
--- End quote ---
Oh this sounds like it could end in tears then!!
I have had to leave the disco on a farm for a few days now (until tuesday pm) as I have my voluntary work van to take and bring back from somewhere.
One thing that may give a clue is that the SRS light on the dash is on. It has been on ever since the battery got disconected 2 years ago. Now that I dont have a problem with. the wierd thing is that sometimes the left S flashes dimly, sometimes the right S, even sometimes all the SRs flashes dimly. however, if I am lucky it doesnt flash at all!
Any clues?
Guardian.:
the airbag light will switch off by laptop, if the batery goes dead the safety systems sometimes need resetting with laptop, as they have a voltage drop warning, my audi did this last month after a flat battery, mate plugged his laptop in and just reset them no sweat!
muddyjames:
So I need a person with a laptop and the right pc program gubbins to turn it off.
But why does various parts of the SRS flash dimley? Does it normally do that or should it just be permanently on? Could it effect the battery condtition reason?
Guardian.:
thats what they did to mine, most places have all the software for that sort of thing, as for dim and whatever , i havent a clue.
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