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Topic: Battery Keeps Going Flat (Read 531 times) |
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spencer
Newbie
Scorpio Ultima 2.9i 24v V6 Cosworth (1996) P
 
Posts: 8
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Battery Keeps Going Flat
« on: Feb 27th, 2005, 4:42pm » |
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Since owning my new Scorpio and having major work carried out if I leave the car for more than 36 hours without starting it the battery is completly flat. I replaced the old battery with a deep cycle optima battery but still the same thing happens. I have had the electrics tested and there are no dead shorts on the vehicle so Iam completely puzzled. Does anyone have an Idea
regards
Spencer
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spencer
Newbie
Scorpio Ultima 2.9i 24v V6 Cosworth (1996) P
Posts: 8
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Re: Battery Keeps Going Flat
« Reply #2 on: Feb 27th, 2005, 11:50pm » |
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I have recently replaced the alternator and also purchased a yellow top optima deep cycle battery. The Alternator is pushing out 13.85 volts on tickover with nothing running which I,ve been told is normal. The battery however loses 0.5volts approx. every 7 hours. From what you say the alternator may be new but the diodes could be broken causing the discharge is this correct.
regards
Spencer
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ren
Full Member
95 N 2.9 24v Cossie Estate
Posts: 480
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Re: Battery Keeps Going Flat
« Reply #3 on: Feb 28th, 2005, 12:09am » |
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could check fuse 36 in the auxiliary fuse box
which is for the battery power saver.
Ren
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spencer
Newbie
Scorpio Ultima 2.9i 24v V6 Cosworth (1996) P
Posts: 8
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Re: Battery Keeps Going Flat
« Reply #4 on: Mar 4th, 2005, 7:17pm » |
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Thanks all for your comments I have sorted the problem. Apparently a modification was made to the Auxilliary fuse box soon after the Scorpio had been released. The problem was that during wet/damp weather water used to run behind the auxilliary fuse box causeing very odd behaviour. Examples ignition lights flickering on, Main beam on head lights coming on, Air bag light flickering on and many more. all these issues caused the battery to go flat when the ignition was off. Problem solved by having the Auxilliary fuse box replaced with the new modified version. Cost for it to be supplied and fitted £175.00 + VAT
Hope my findings assist with other peoples problems of the same kind.
regards
Spencer
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Captain / Vice Admiral
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Re: Battery Keeps Going Flat
« Reply #5 on: Mar 5th, 2005, 12:24am » |
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Thanks for your input and advice - waterlog obviously initiated the fault - Glad its all sorted - see you at Weston 2005
Captain
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Geoff_W
Senior Member
98 Ulti2.5tdi Auto
Posts: 1340
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Re: Battery Keeps Going Flat
« Reply #6 on: Mar 5th, 2005, 10:31am » |
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Captain
Did it happen to you as well?
Or is that just a proprietorial interest.
See you at Harewood?
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The winding road goes on and on... or at least it does in Northumberland
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