2002 Cavalier LS 4 door

Tiny
JHWR15
  • MEMBER
  • 2002 CHEVROLET CAVALIER
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
My 2002 4 door Cavalier LS has an electrical shortage. When I am driving all my gauges drop. When I put it in park, they sometimes will go back up. While I am driving, my heat doesn`t blow like it should and my headlights are very dim. My radio turns off and then comes back on. Any suggestions on what it is exactly? Is there anything I can fix with instruction?
Wednesday, January 12th, 2011 AT 11:01 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Since so many items are affected, I feel that either you have a bad alternator, bad connection to the battery, or there is a bad ground. I recommend checking the battery terminals first. Make sure they are tight and clean. Next, check the main ground to the engine block to make sure it is tight and clean. Have the alternator checked at a parts store. Most do it for free. After that, check body ground straps to make sure they are tight, clean, and not rusted.
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Tuesday, February 1st, 2011 AT 7:19 PM

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