2007 GMC Acadia has one daytime running light that does not come on until the horn is blown.

2007 GMC ACADIA
84,000 MILES
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PEACHYKEEN
  • MEMBER
  • 1 POST
On of the daytime running does not come on and I inadverdently discovered that if I blow the horn it comes on.
Apr 23, 2012 at 1:29 AM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
bad bulb? slight vibration makes it work?
Apr 23, 2012 at 1:33 AM
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