1994 Camaro Z28 Electrical Problem

Tiny
STORM2178
  • MEMBER
  • 1994 CHEVROLET CAMARO
When driving at night, lights will dim when stopped at a stop light but when I hit the gas it brightens. Voltage gauage on dash will drop into the red when idling at a stop light. I have replaced the battery and the alternator and still the problem exist. Please help me.
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Wednesday, May 9th, 2007 AT 12:40 PM

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Tiny
GMFACE
  • MEMBER
Do you have any anything special installed, such as an amp or any engine mods?

Where did you buy your alternator and what brand is it?

Have you had it's output tested with a voltmeter?

Alternators for domestic cars are not exactly the most well-built components. I've known many people to buy rebuilt or new alternators that couldn't provide stable output, and they had to be exchanged, sometimes multiple times.

Does anything other than stopping seem to set it off? Try turning everything off in the car to see if it still occurs.

It may be that your cooling fans engage and draw too much current from the system once you're stopped. I'd take a look at them for sure. Try idling and turning on your lights, as well as either your AC or Defrost, since it engages the AC pump and fans as well, to ensure the AC doesn't lock up during the parts of the year when it's not needed.

If your voltage drops when the fans engage, I would have them and their wiring inspected.
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Thursday, May 17th, 2007 AT 1:16 AM
Tiny
KIRBSTER269
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Just a quick and easy check for the simple fact mine was kinda doing the same thing just out of curiosity I grabbed pigtail that plugs up on the alternater and I could wiggle it quite freely so I went to napa got a new pigtail it fit very snug I never seen the volt gauge drop anymore that plug is right by the manifold just a thought and good luck
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Sunday, June 24th, 2007 AT 5:33 PM

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