Question about 2006 Jeep Grand Cherokee

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Flashing Headlights/interior Lights

I have a 2006 Jeep Grand Cherokee. Here recently the headlights have started flashing while in the on position and the interior lights also....but this past weekend i left the lights in parking mode and followed a friend home (since the lights were flashing) and the headlights still flashed while in parking mode but the interior lights did not...PLEASE HELP!!!!

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  • dioanny82 Jan 05, 2009

    I had the same problem and tech found code b160b for panel dimmer input circuit. traced to faulty head light switch and steering column module tech replaced switch and module. cost me $975.66 to exact.

  • daisyray29 Jan 11, 2009

    I have the same problem, but it seems to happen sporadically. It happened the first time when I turned on my car and I was still sitting in my garage. It happened again while I was at a stoplight. It happened the third timewhile I was driving.

  • jdarundell Mar 09, 2009

    MY 2006 Grand Cherokee Limited has a similar problem when driving in daylight - lights off.

    It seems completely random.



  • Patricia Seifert Mar 17, 2009

    2006 Grand Cherokee - headlights and dashboard flicker then go out

  • Anonymous Mar 16, 2014

    driver side headlight is dim. parking lights begin flashing for a while then stop and start again

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Could be a bad light switch or relay, but I'd check dash and body grounding first. On every Jeep I've ever owned, I run a direct ground to everything before I even drive it. To do this, Attach a 12ga or larger wire to the battery ground connector. Run that wire around the firewall side of the engine bay, removing insulation at several points and attaching the exposed wire to the firewall, (using short, self-tapping screws) both fenders and ground points for the computer. I also attach one additional leg which runs through the firewall (careful not to drill through anything important) and attaches to the metal frame of the dashboard. I also add a second ground wire directly to the engine block, eliminating any possibility of a poor ground anywhere. It sounds like a big job but it's not, and doing this precludes many frustrating and unnecessary problems down the road!

Posted on Dec 12, 2008

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