Question about 1989 Chevrolet Cavalier

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Need to know the alternator power specs. my check engine light came on for about 2-4 minutes then shut off, and came back on for about a minute. it usually does after i haven't driven it for about a day or two. but recently it has been doing when i might have the stereo up too loud or on an album that has a lot of bass.

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  • james bierman Sep 07, 2010

    Which lamp? Check Engine (orange lamp) or Alternator lamp (red)?

  • drummer_b145 Sep 07, 2010

    orange

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  1. The orange ( check engine lamp) is a telltail for the engine control computer.
  2. If the computer determines that there is a problem with an input or an output it sets a trouble code in the computer.
  3. To retrieve the code a scan tool must be used.
  4. Some parts houses offer to scan the codes for free
  5. When you get the code repost your problem with the code.
  6. Its possible (but not probable) that a monster audio system could over tax a charging system causing low voltage input to the computer and set a code
  7. Cavalier peak alt output should be at least 70 amps
  8. Hope this helps
  9. Let me know

Posted on Sep 07, 2010

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