Electrical

1999 CHEVROLET EXPRESS
176,000 MILES • 5.7L • V8 • RWD • AUTOMATIC
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MAC SMALL
  • MEMBER
  • 1 POST
When I turn on the headlights the brake lights come on.
Jun 10, 2016 at 2:13 PM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check for a bad bulb normally that is what causes it. the bad bulb can be in front or back.
Jun 10, 2016 at 3:34 PM