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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Battery keeps going flat. » Post Reply
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Daveskater |
posted on 29th Jan 09 at 16:16 |
Have you run the car for a couple of hours to charge the battery? a 10 minute charge won't make a difference. On a meter it will show as charged, but it won't hold it. | |
Adam-D |
posted on 29th Jan 09 at 09:00 |
unplug the mfd then see what happens. | |
boz_gsi |
posted on 29th Jan 09 at 00:54 |
as above get a multi meter across your batt wen running should be around 14v if not alts broke | |
barneykarl |
posted on 29th Jan 09 at 00:20 |
Check volts of battery, then check with engine running should be about 14v if not alternator fault. | |
Luke |
posted on 29th Jan 09 at 00:02 |
It's getting annoying keep taking the battery out & putting it on charge :(. | |
Nic Barnes |
posted on 28th Jan 09 at 20:16 |
could be a bad earth. if the earth off the inlet manifold to the alt adjuster is broken, alt wont charge properly, but battery light will stay off. | |
corsa_godfather |
posted on 28th Jan 09 at 20:13 |
my fuel pump relay was fucked and staying on a constant live and draining the battery. | |
wozza51 |
posted on 28th Jan 09 at 19:46 |
take double realy out for the feul pump i had exactly the same thing with the same battery | |
Luke |
posted on 28th Jan 09 at 19:28 |
John, It only does it when it's sitting on the drive. I started the car on monday night for a good 10 minutes. I went to start the car today about 12ish & it was flat. | |
John |
posted on 28th Jan 09 at 19:24 |
Is it going flat just sitting there or when you drive it? | |
Luke |
posted on 28th Jan 09 at 19:13 |
Bump. | |
redtom |
posted on 28th Jan 09 at 13:33 |
My ecu on my XE got water in it and was draining the battery over night. try unplugging your fuel relay see if it still goes flat. could also be the relay itself | |
Luke |
posted on 28th Jan 09 at 13:04 |
How would i find out if something is draining the battery? I have no amps ect, i have a head unit but as far as i'm aware it's not wired live to the battery. | |
Adam_B |
posted on 28th Jan 09 at 13:02 |
If its going flat when your not driving it then there is something draining it like Dave said. If the alternator is not working then it just wont be getting a charge when your driving along I think. I dont know if its possible for an alternator to go fucked and drain a battery rather than charge it? | |
Fro |
posted on 28th Jan 09 at 12:58 |
Dodgy earth somewhere? Or alternator, if there isn't a drain. | |
Luke |
posted on 28th Jan 09 at 12:51 |
quote: It's not a fucked battery. I've tried 3 different batterys & it's the same thing, keeps going flat. Could the alternator be fucked? | |
Adam_B |
posted on 28th Jan 09 at 12:48 |
fucked battery. take it back. | |
Luke |
posted on 28th Jan 09 at 12:40 |
Not that im aware of mate :boggle: | |
DaveB |
posted on 28th Jan 09 at 12:40 |
Must have a drain on it somewhere? | |
Luke |
posted on 28th Jan 09 at 12:38 |
Any ideas why my battery might keep going flat? Got a new halfords 750a one on. I'll leave the car for no longer than 24 hours & it's flat as a pancake. |