2008 Kia Sorento, headlights flicker low/high at night, what up?

Asked by Nov 27, 2015 at 08:38 AM about the 2008 Kia Sorento Base

Question type: Maintenance & Repair

turning headlights on at night, you can see on road ahead lights are flickering,
never going off completely but always doing it, sometimes when braking it
makes it happen but not all the time, problem has always been present, dlr
found nothing but has not driven car at night.

3 Answers

76,335

Need to clean up the ground wires for the headlights & Neg. ground wire from battery to the other end where it is connected. If they still flicker, then have the alternator and regulator checked.

I had the same problem, my headlights started flickering when braking or just letting the accelerator go, then I from time to time I had to jump the sedona, I had the battery tested and it tested positive, so why was I having to jump the vehicle, I was advised that maybe the battery had a bad cell, I purchased a battery and problem solved no more flickering

76,335

Bad battery, yes, can cause the alternating current from the alternator to pulse so to speak. A bad battery is extremely hard on the charging system & can cause damage to it. The majority of the time tho, this is caused by a bad wiring or bad ground connections.

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