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Assistance getting stop start working...

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wiggs

Member Since: 03 Sep 2006
Location: Manchester
Posts: 14368

2015 Discovery 4 3.0 SDV6 HSE Auto Fuji White

Give the main battery a good charge

G4 Gone ...but not forgotten

23rd Jan 2017 9:09 pm

JackNorris

Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

2005 Discovery 3 4.4 V8 HSE Auto Tonga Green

Cheers Wiggs, on it now

MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD

23rd Jan 2017 10:05 pm

JackNorris

Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

Forgot to turn the charger on the other night

Charging againow, positive to battery and neg to chassis ground.

Whats a good cranking battery voltage? Where should i expect to see it after charge?

Thanks MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD

25th Jan 2017 4:55 pm

Dudleydisco

Member Since: 20 Jun 2014
Location: York
Posts: 853

2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway Grey

Anything over about 12.7v (depending on temperature). Just don't fall into the trap of checking the voltage straight after disconnecting the charger, as the battery will have a surface charge on it that will give you a false high reading. If you want an accurate reading, the vehicle needs to be asleep too

D4 MY14 XXV - RLD/IID BT
D4 MY13 HSE Lux - RLD/IID BT
P38 RR - Sad parting
110 - Even sadder parting
S3 88" - Still going strong after 23 years of ownership

25th Jan 2017 5:30 pm

nazca sand eddie

Member Since: 29 Oct 2015
Location: England
Posts: 41

2016 Discovery 4 3.0 SDV6 SE Auto Firenze Red

If you have towing electrics you can use that as a way of checking the battery voltage without waking up the system, that's what I do with my 13 pin socket. I find that waking the system up can drop the voltage about 0.3v, which as has been stated my others is rather misleading when you are looking for close to 12.7v.

25th Jan 2017 6:41 pm

JackNorris

Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

Just to close this. Finally got to dealer due to being busy and then being busy and apparently it's now working ok.

Prize goes those that called BMS. A reset and it's running ok. They did unplug my blackvue thinking it's that but I'm certain now bms is reset we are good to go so I'll plug that back in.

Pick it up later so we shall see

17th Mar 2017 12:39 pm

BBDisco3

Member Since: 23 Nov 2008
Location: Cheshire
Posts: 3640

Is your stop / start still working?

27th May 2017 6:34 pm

Dudleydisco

Member Since: 20 Jun 2014
Location: York
Posts: 853

Mine is, although I do occasionally give the Secondary battery a charge to get it back up to 100%

D4 MY14 XXV - RLD/IID BT
D4 MY13 HSE Lux - RLD/IID BT
P38 RR - Sad parting
110 - Even sadder parting
S3 88" - Still going strong after 23 years of ownership

27th May 2017 8:07 pm

JackNorris

Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

Yep still good as gold without any additional charge MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD

28th May 2017 8:23 pm

BBDisco3

Member Since: 23 Nov 2008
Location: Cheshire
Posts: 3640

The overnight charge no longer "reactivates" the stop/start on mine. Booked in to dealers for next week

28th May 2017 8:31 pm

BBDisco3

Member Since: 23 Nov 2008
Location: Cheshire
Posts: 3640

Having had the almost 2 year old battery exchanged under warranty, the stop/start has operated for the past 2 or 3 weeks without any problem.

4th Jul 2017 10:56 pm

Dave T

Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902

With only short journeys mine gave up for a while, after a good run it has worked perfectly Joined the BMWX5 45e group
1994 Defender 90

2015 RRS Corris Grey/Black roof
2016 D4 Graphite Santorini Black
2012 D4 XS Orkney Grey
2005 D3 S Maya Gold

Convoy for Heroes 2011

5th Jul 2017 12:14 am

JackNorris

Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

BBDisco3 wrote:
The overnight charge no longer "reactivates" the stop/start on mine. Booked in to dealers for next week

Possibly needing a BMS reset? MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD

5th Jul 2017 9:53 pm

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