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Bluespanner



Member Since: 03 Jan 2021
Location: Burton up on Trent
Posts: 43
United Kingdom 2012 Range Rover Vogue SE TDV8 Baltic Blue
Charge rates

At idle:



I know these don’t charge in a conventional way but that seems like it isn’t putting anything in at all. Thoughts anyone?

Car is a 2012 4.4.

Cheers
Post #580949 24th Jan 2021 1:59pm
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Bluespanner



Member Since: 03 Jan 2021
Location: Burton up on Trent
Posts: 43
United Kingdom 2012 Range Rover Vogue SE TDV8 Baltic Blue

After a bit more reading it seems that it may not charge at all until warm. These vehicles baffle me!
Post #580954 24th Jan 2021 3:54pm
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Cam-Tech-Craig



Member Since: 03 Aug 2011
Location: Gloucestershire
Posts: 16280
England 2015 Range Rover SVAutobiography SDV8 Loire Blue

Hmmm, no... That is not right sir... Should jump to 14.4ish volts within 10-20 seconds after starting...

The easy way to check is to let the car run for a couple of mins then switch all electrical draining stuff on and it should keep the charge rate north on 13v...
Post #581015 25th Jan 2021 1:21am
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Bluespanner



Member Since: 03 Jan 2021
Location: Burton up on Trent
Posts: 43
United Kingdom 2012 Range Rover Vogue SE TDV8 Baltic Blue

Thanks Craig. It’ll go to about 13.5 at around 2000rpm but it does fluctuate. I wonder wether the battery is on the way out.
Post #581064 25th Jan 2021 11:13am
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L19 MUD



Member Since: 02 Jun 2015
Location: Suffolk
Posts: 167
United Kingdom 2009 Range Rover Vogue SE TDV8 Stornoway Grey

When I was chasing an issue the other day I measured 14.4v at the large positive wire on the distribution board in the boot. 2012 TDV8 with the vehicle running (Only been started a minute before)
Post #581093 25th Jan 2021 1:42pm
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Cam-Tech-Craig



Member Since: 03 Aug 2011
Location: Gloucestershire
Posts: 16280
England 2015 Range Rover SVAutobiography SDV8 Loire Blue

Bluespanner wrote:
Thanks Craig. It’ll go to about 13.5 at around 2000rpm but it does fluctuate. I wonder wether the battery is on the way out.



I would suggest a failing alternator sir... They are prone for it!
If you run it at 13.5v then put all the electrical bits on, what does it drop to?
Post #581130 25th Jan 2021 6:47pm
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Bluespanner



Member Since: 03 Jan 2021
Location: Burton up on Trent
Posts: 43
United Kingdom 2012 Range Rover Vogue SE TDV8 Baltic Blue

Well I’ve just been out to it and it’s charging at 14.4 at idle, all electrics on. This thing is having the crack!
Post #581136 25th Jan 2021 7:16pm
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Cam-Tech-Craig



Member Since: 03 Aug 2011
Location: Gloucestershire
Posts: 16280
England 2015 Range Rover SVAutobiography SDV8 Loire Blue

Thud
Post #581140 25th Jan 2021 7:43pm
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