Question about 2004 Buick Regal

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Low Beam Drivers Side doesn't work ... low voltage,

Driver's side low-beam headlight 2004 Buick regal, voltage about 11 vs 12.5 on the passenger side. Assume a short to ground somewhere?. Keeps driver side headlight from lighting. All other lights in housing appear to be working (turn, parking, hi-beam).
Think I need a wiring diagram to troubleshoot?

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Power for the headlights on the Left side (High and low beam.) comes from the same fuse... The ORANGE wire and the ORANGE/BLACK are the same, they connect in the harness. If you only lack the 12v to make the light work connect them at the headlight assembly.

If your low beam also lacks ground the Left low beam ground is shared with the right low beam ground... Run a wire from left low beam DARK BLUE to right low beam DARK BLUE/WHITE.

If its not working now then your cursed, seek a witch doctor.

Posted on May 23, 2010

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Posted on Jan 02, 2017

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