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Electrical problem
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Oillybob55
 


Member Since: 12 Jul 2020
Location: Bradford
Posts: 42

United Kingdom 2008 Discovery 3 TDV6 XS Manual Zambezi SilverDiscovery 3
Electrical problem

Hi all

I have a problem where my battery drains over time which I can deal with but I let it drain completely by mistake and now i have an issue.

It currently has 8v as its charging but when I turn the key to position 2 it goes through its check says I have an issue and can’t use the special features and then after about a min it switches off and almost reboots to go through the sequence again.

When I try and start it there is nothing it won’t even try (could be because the battery is so low)

Do I need to do anything or should it be ok when fully charged? Discovery 3 XS 2008 Manual Zambezi Silver  
Post #22155106th Mar 2021 12:56 pm
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1020

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

If you have left the battery to completely drain (and I mean to nothing), then the battery is goosed. It will not recover.

It will look to all intents and purposes to have accepted a charge but you have permanently changed (depleted) the chemical make-up of it.

Start with a new battery I'm afraid Big Cry "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile  
Post #22155136th Mar 2021 1:02 pm
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Oillybob55
 


Member Since: 12 Jul 2020
Location: Bradford
Posts: 42

United Kingdom 2008 Discovery 3 TDV6 XS Manual Zambezi SilverDiscovery 3

Is there a way of checking before I replace it? Discovery 3 XS 2008 Manual Zambezi Silver  
Post #22155186th Mar 2021 1:19 pm
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1020

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

Yes, take it to Halfords and let them place a discharge tester on it (unless you have a mate that has got one).

It will show its true storage and Cold Current Amperage (CCA).

That would be the final say Thumbs Up "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile  
Post #22155366th Mar 2021 2:26 pm
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