Anyone know how to adjust the HORIZONTAL on the headlights on the 2004 and 2005 GXPs? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-29-2009, 09:33 PM   #1
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Default Anyone know how to adjust the HORIZONTAL on the headlights on the 2004 and 2005 GXPs?

How do you adjust the HORIZONTAL on the 2004 and 2005 Bonneville GXPs (and maybe the 04 and 05 SLE'* with that body style)? I know they are different than all other years and models of Bonnevilles. There is aVERTICAL screw and it works fine, but there only seems to be a plastic cap where the HORIZONTAL screw looks like it "should" be. I have searched and searched this forum, and have found many threads about this. Some threads are about people who have had success, mostly by accident and/or breaking stuff. I still have not seen a post about how to accomplish the HORIZONTAL adjustment the CORRECT way. I have also searched the owners manual with no luck. Does anyone know the "proper" way to adjust the horizontal on these headlights? The vertical has a screw that works just fine, but the Horizontal is not the same. I hijacked this photo from another post to help illustrate what I am talking about and the difference from other years and models headlights.
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Old 01-30-2009, 07:49 AM   #2
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