lights with a mind of their own

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Feb 2, 2019 | 01:17 PM

ianinnes

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From: Central Scotland

lights with a mind of their own

My 2013 XK 5.0 is acting wierd.
I park it up, lock the doors and within 10 minutes the brake lights / tail lights switch themselves on for absolutely no reason.
Tried again and again, locking/unlocking taking for a drive and its just keeping on doing the same.

Seems not do do when I leave the car unlocked but obviously I cant do this unless it's locked away in the garage.

does anyone have any ideas?
thanks, Ian

Feb 2, 2019 | 01:24 PM

jagtoes

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From: NY

Quote:

Originally Posted by ianinnes

Do a voltage check on the battery and see what you get. 12.6 V

Feb 2, 2019 | 01:27 PM

jimbov8

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From: Uk

+1 on the above but also check the ground points in and around the engine bay.

Feb 2, 2019 | 02:05 PM

ianinnes

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From: Central Scotland

sorry, should have said, brand new battery yesterday

Feb 2, 2019 | 02:38 PM

Cee Jay

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From: Kaysville, Utah, US

BRAND NEW BATTERIES are usually very low on voltage and should be charged at least overnight with a decent (10 Amp or greater) battery charger.

This is probably (90% certain) the cause.