Question about 2006 Pontiac Grand Prix

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Main headlights wont work but bright headlights do I have a 2006 Gand Prix and at times my day time running lights and my dim headlights go out or will not come on. I have replaced the Multi-Function Switch but it did not solve the problem. I have asked several Machanics and they all point to the Ignition Switch. There is not pattern as to when the headlights wont work other than it is after I have made several stops or just went a short distance (short time between whe I start my car). Any suggestions are appreciated!!

Posted by lilkeelean on

  • 1 more comment 
  • bbeverly76 Feb 18, 2009

    My main headlights will not come on but my bright lights work and everthing else electric is working on my 2006 Pontiac Grandprix. What could the problem be? Help Please

  • marilyn_sant Feb 26, 2009

    I have a 2006 Pontiac Grand Prix and my headlights were working, went to use the car the same day at night and no headlight but all my other lights work. What can be the problem?

  • Anonymous May 05, 2009

    My headlights will not come on. I can move it to high beams and they will work but, when you switch to low i get nothing. switch the auto to reset and the dash says "suggested headlamps". Any advice?

    so your saying that we need to take the steering column out and clean the contacts on it???? seems a little much huh?



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These switches operate on copper slide and most times these slides get corroded with a green substance that a simple sand paper job will take care of however there are a lot of part so have a mechanic do it

Posted on Oct 23, 2008


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1 Answer

How do i disable high beams on a 2006 pontiac grand prix

You find a wiring diagram for the headlight system for an '06 grand prix, and then you get into the maze of wiring for this vehicle. It isn't like the old times when you had a headlight switch with a built-in circuit breaker, a dimmer switch, and the headlight bulbs, maybe a fuse for parks, sometimes a relay in the circuit, but it was simple and easy to figure out. Nowadays, your GP will certainly have a Body Control Module that controls the lighting. There may also be a lighting control module, or not, depending on the capabilities of the BCM. And there could also be a Daytime Running Lights module, which just makes it just a LITTLE bit more complicated, every day.

I know because my son's '05 Buick century has this very intermittent problem of the headlights disappearing for seconds at a time, and once for days at a time. So he ran over a bump and the headlights just began working again as if nothing wrong. And now for about 10 days, there has not been a repeat. But when it happens again, I will have to get my head back into the dreaded headlight circuit !

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