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Jen1v8

Member Since: 18 Feb 2023
Location: London
Posts: 7

2014 Defender 110 running issue

Hey Guys

New owner here
Defender 110 2014.
The battery was flat,(less than a year old) 3.4volts
We jump started it today and it seemed fine at a nice idle, although the interior light and headlights were flickering.
Then we wanted to take it for a nice drive to charge up battery but when accelerating the engine would try to cut out with the abs and traction control warning lights on the dash board. But then again would sit or drive at a tick over. (Probably a bad idea going out in the dark)
Hopefully some of you knowledgeable guys might know my issue here.

Thanks in advance
Graham

24th Feb 2023 7:33pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2048

The first question is, why was the battery flat ? Had it been left weeks before starting, had lights or something else been left on ?

I’m just wondering if you have a charging issue, either wiring or alternator. Hence battery not charging and poor running and lights flickering and dash lights up.

24th Feb 2023 8:27pm

Jen1v8

Member Since: 18 Feb 2023
Location: London
Posts: 7

Hello IanH

Thanks for getting back, yes it had been sitting for around 8 weeks

24th Feb 2023 8:39pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2048

I would check how well your battery terminals are clamping, especially the earth clamp. You can loosen, tap down and retighten.

Also fully charge your battery, trickle charging is best. Else you need to go through the battery removal procedure to ensure BBUS alarm does not go off, then remove battery and charge on bench.

25th Feb 2023 12:32am

Jen1v8

Member Since: 18 Feb 2023
Location: London
Posts: 7

I just bought a new battery and it’s done the trick,
Cheers

26th Feb 2023 6:05pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2048

It did seem to be a power issue, either batt, wiring or alternator. So good you found the problem.

To prevent your starter battery getting so low that it damages it a ctek trickle charger is a good investment.

26th Feb 2023 6:22pm

Jen1v8

Member Since: 18 Feb 2023
Location: London
Posts: 7

Cheers Ianh
It’s funny how low batteries can cause such strange issues on modern cars
Thanks again
G

26th Feb 2023 8:24pm

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