2008 GMC Sierra cargo lamp brake light

2008 GMC SIERRA
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MIKE LANO
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  • 1 POST
Electrical problem
2008 GMC Sierra V8 Four Wheel Drive Automatic

The cago lamp breaklights will not shut off.I had to disconect?
Jul 2, 2010 at 10:32 AM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
if you mean the highmount brake light then check for faulty relay
Jul 2, 2010 at 2:41 PM
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