Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
Help - constant flat battery
Please help so came to start my car and yesterday and it was totally flat wouldn't tick over! Jumped it with jump leads and took it for a spin gave it 40 mins at 70 mph up down A1 and come to start it today flat again no faults on the dash i.e. Battery or anything to say alternators gone? Or anything else and don't have an iid tool to check for faults anyone guess to what it is or experienced this before??
I'm going to check tommorow if the belts are ok and not snapped or pulleys ect but other than that I'm suspecting a battery or alternator
Thoughts God created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
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STAINLESS STEEL SCUFF PLATES
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SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING
29th Mar 2017 8:59 pm
James W
Member Since: 27 Mar 2008
Location: Wirral, UK
Posts: 3067
Have you got access to a multimeter or a friend with one to check the battery voltage when standing and when engine is running?D4 XS, gone, much loved, never forgotten
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29th Mar 2017 9:01 pm
Russell
Member Since: 24 Aug 2007
Location: Kent
Posts: 10564
If the battery was dead flat and you jumped it and drove without then putting it on charge there is a good chance it will be flat again. An alternator needs a live feed to get it to work, hence if the battery is dead flat and you jump it there is a possibility there would not be enough power to excite the alternator and get the thing to supply a charge to the battery. Try giving the battery a charge with a proper charger firstMY17 D5 1st Edition Namib Orange
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29th Mar 2017 9:02 pm
Soldierboy
Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
Yep gunna get a multimeter tommorow test the battery then test the battery with it running after jumping and see if the alternator is kicking in! I don't have however access to a battery charger till I get home
So will have to wait it's 7 years old thinking the battery should still be good but then again I don't know how long they last forGod created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
SMD LEDS INSIDE, SIDE LIGHTS, REAR FOG AND REVERSE
OEM SIDE STEPS
STAINLESS STEEL SCUFF PLATES
RUBBER MATS
SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING
29th Mar 2017 9:12 pm
discoteca
Member Since: 08 Mar 2010
Location: Warwickshire
Posts: 1477
The original battery in my previous 2010 was shot at 6 years old so that may be your issue.
29th Mar 2017 10:06 pm
riverblanche
Member Since: 31 Aug 2010
Location: retford'ish
Posts: 2210
Hi,
don't think you have done bad with 7 years
mine needed a new battery well over a year ago, fired the fbh for swmbo to have a nice warm car to go out in she got a noce warm car to sit in as the battery would not start the car when she tried it and I had gone to work by then
Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
Thanks discoteca riverblanche and all the other members for your swift responses I'm thinking it was battery but still going to check with multi meter ect
Jus find it really weird how it was fine had a 92mile motorway run and boom dead battery the next day bizarre but then agen battery's are always unpredictable God created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
SMD LEDS INSIDE, SIDE LIGHTS, REAR FOG AND REVERSE
OEM SIDE STEPS
STAINLESS STEEL SCUFF PLATES
RUBBER MATS
SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING
29th Mar 2017 10:12 pm
Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
Your multimeter readings with the engine running are key to this.
You do know that a failing or failed alternator can cause a dead short and kill the battery?
If your readings are low with the engine running, always suspect the alternator and do not replace the battery unless you are totally happy with it's output or risk killing the replacement too. Mods:
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29th Mar 2017 10:19 pm
Soldierboy
Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
Cheers narpy
I knew that was the case just needed conformation as OK with mechanical but electrical complete novice what sort of readings should I be looking at
Running if the alternators ok and not running
Thanks in advance God created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
SMD LEDS INSIDE, SIDE LIGHTS, REAR FOG AND REVERSE
OEM SIDE STEPS
STAINLESS STEEL SCUFF PLATES
RUBBER MATS
SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING
29th Mar 2017 10:36 pm
Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
Not running you'll probably have less than 11v because your battery will be flat.
A healthy alternator will push out around 15v from initial start up dropping to around 14.2v after a short while but this can vary depending on load and temperature. Anywhere in that range should be ok but keep testing it whilst it's running to see if there's any variation.
Hopefully it's just the battery.Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here.
29th Mar 2017 10:39 pm
crip010
Member Since: 01 Oct 2014
Location: Twickenham
Posts: 433
7 years ...... must be battery
I have a MY10 and have changed battery and alternator.
29th Mar 2017 10:49 pm
Soldierboy
Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
Cheers guys hope it's just the battery as I'm guessing it's big money for an alternator plus labourGod created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
SMD LEDS INSIDE, SIDE LIGHTS, REAR FOG AND REVERSE
OEM SIDE STEPS
STAINLESS STEEL SCUFF PLATES
RUBBER MATS
SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING
29th Mar 2017 11:05 pm
dgardel
Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025
Soldier,
I don't know about your alternator, but on my Defender when was 6 years old the battery (original at the time) was dead in a night.....
Change the battery with a new AGM one (fully charged before installation). After that check the out put of the alternator, may be is still good.....
On D4 the alternator isn't an issue as per D3Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition
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30th Mar 2017 7:38 am
Soldierboy
Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
Come to start it today and it's not even slaving so think the battery is totally goosed now so I'm hoping it is that and it's a simple fix but have to wait and see
Dgardel thanks for you advice I'm getting a price for a battery and if I can get it started will check see if the alternator is working fine or not we shall see
Hoping it's nothing else electrical wise God created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
Fuji white D4 MY11 GS 3.0 SDV6 MODS:
SMD LEDS INSIDE, SIDE LIGHTS, REAR FOG AND REVERSE
OEM SIDE STEPS
STAINLESS STEEL SCUFF PLATES
RUBBER MATS
SHORT ROOF BARS
RETROFITTED CC
BLACK HUBS & DUST CAPS
GLOSS BLACK GRILLE, SIDE VENTS AND WHEELS
BLACK BADGES FRONT REAR AND STEERING WHEEL
MUD GUARDS FRONT AND REAR
GLOSS BLACK DOOR HANDLES AND LETTERING
30th Mar 2017 11:11 am
buffalo4
Member Since: 23 Apr 2016
Location: Doncaster
Posts: 230
I have a spare battery here if you want to try that before you buy
cheers Ian
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