battery light on after 2 minutes of highway speed, goes out when slowing down

Asked by Jul 19, 2014 at 08:09 PM about the 2003 Chevrolet Monte Carlo SS

Question type: Maintenance & Repair

battery light comes on after 2 minutes of highway speed,  goes out when slowing down
and stays off until highway speeds again.  Have changed battery and alternator in effort to
repair but same problem exists.

3 Answers


Check your ground cable on the frame.

never thought about that Boho thanks and i will let you know


If your connections are good and clean, have the alternator checked. You may have a diode going out. Make sure the belts are good, and tight.

Your Answer

Monte Carlo

Looking for a Used Monte Carlo in your area?

CarGurus has 950 nationwide Monte Carlo listings starting at $3,786.


Chevrolet Monte Carlo Experts

  • #1
  • #2
    Tom Demyan
  • #3
    John Saffrahn
View All

Related Models For Sale

Used Chevrolet Impala
371 Great Deals out of 27,339 listings starting at $1,499
Used Chevrolet Camaro
245 Great Deals out of 30,155 listings starting at $4,980
Used Ford Mustang
287 Great Deals out of 38,472 listings starting at $1,995
Used Pontiac Grand Prix
1,902 listings starting at $3,000
Used Chevrolet Malibu
605 Great Deals out of 48,235 listings starting at $1,500
Used Chevrolet Corvette
107 Great Deals out of 15,743 listings starting at $4,500
Used Chevrolet Tahoe
641 Great Deals out of 37,663 listings starting at $795
Used Chevrolet Silverado 1500
2,170 Great Deals out of 150,762 listings starting at $1,499
Used Buick Regal
102 Great Deals out of 4,202 listings starting at $5,979
Used Nissan Maxima
220 Great Deals out of 18,086 listings starting at $1,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.