2002 GMC Envoy ELETRICAL

2002 GMC ENVOY
83,000 MILES • 6 CYL • 4WD • AUTOMATIC
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TONTZ
  • MEMBER
  • 1 POST
MY LIGHTS KEEP FLICKERING WHEN IM DRIVING I CHECKED THE BATERY CONNECTIONS AND THEY'RE OK , COUPLE OF DAYS AGO THE CHECK ENGINE LIGHT CAME ON AND SAID REDUCED POWER THEN THE LIGHT WENT OFF THE FLICKERING IS STILL HAPPENING . WHAT COULD BE WRONG
Dec 21, 2008 at 6:37 PM
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BLUELIGHTNIN6
  • CAR REPAIR CONTRIBUTOR
  • 16,542 POSTS
Hello
Thanks for the donation.

Your battery and/or alternator may be failing. You can have these checked for free at a local auto part store such as AutoZone or Advance Auto Parts.
Dec 21, 2008 at 8:15 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.