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Battery Gets Drained Overnight Every Night


walkerstreet

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Hi everyone,

For 2 nights in a row, my XR6T's battery's drained overnight.

The car is almost new (January 2007 build date).

There are no lights left on and the NRMA guys reckon its something malfunctioning in the car's electrical system, not the battery.

Has anyone had this happen to their XR6T and if so: what was causing it?

My car is a BF MKII Jan 07 6 Speed auto.

Cheers,

Walker

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  • They see me rolllin n hatin...
  • Member
  • Member For: 18y 7m 24d
  • Gender: Male
  • Location: Brisbane

It didnt happen to me but I would book it in the ford if it happens again so they can have a close look at it and fix it up for u under the warranty.

Russ

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  • Flower Power
  • Lifetime Members
  • Member For: 22y 3m 4d
  • Gender: Male
  • Location: Sydney

This happened to my 04 a lot. Another member here ran a multimetre over the whole cars electrical system however he couldnt find the source of the leak.

I got so sick of the NRMA call outs and / or having to start my car every day so I replaced the battery. Problem solved.

Ford told me it's not the battery, bla bla standard, bla bla...

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  • BACK SLOWER THEN EVER!
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  • Member For: 17y 6m 11d
  • Gender: Male
  • Location: Sydney

Look out for a few things.

Alarm (if you have an after market, turn it off from the siren and make sure you lock you doors)

Glove box light being left on

Boot light.

Hope this helps.

Ozzie

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  • Member For: 19y 11m 13d

Cant believe its any of the above lights being on overnight. My battery is over 3 years and I know my interior lights have been left on (door ajar) recently overnight without any problems the next day. Interior lights and additional footwell lights.

I would say it is an internal fault in the battery.

Be quick though batteries only get a 12 month warranty.

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  • My engine bay is Bionic
  • Donating Members
  • Member For: 18y 9m 26d
  • Gender: Male
  • Location: Freeways

I think in the BF's most lights turn themselves off after 1 hour of being left on. I leave interior lights on all the time and come back hours later to find they've turned themself off.

Sounds like you have an annoying problem.

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  • Member
  • Member For: 17y 11m 22d
  • Gender: Male

Trial and Error my friend. A mates VN Calais used to do this all the time for about 3 years, there solution was to put a battery isolator in because they couldn't work out what it was. After another mate bought it, he found one of the interior lights above the rear passengers head had been switched on this whole time, and had a blown globe with a dead short and drained the battery.

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  • 2 weeks later...
  • 2 weeks later...

3 drained batteries later ...

After 2 days in the Ford dealership, they can't find any problem.

If it drains again, I'll get a new battery.

If it that doesn't work, I'll leave it with a private auto-electrician.

Maybe I'll end up trying a battery isolator...

or maybe a special device advertised on the web that can start a car by plugging into the cigarette lighter (or is that risky for the car electrics?)

And at a last resort ... sink the thing in the nearest river ....

Seriously though I love that car!

Any ideas?

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