lights dim while running

1999 CHEVROLET MONTE CARLO
140,000 MILES
Avatar
MICHELLESCH
  • MEMBER
  • 1 POST
When my car is running, sometimes the lights go real low inside and outside of the car. I think even the music starts to quiet. What could this be?
- lights go low
- i think music goes low
- only while car is running
- maybe alternator?
Nov 6, 2011 at 4:06 AM
Advertisement
Avatar
KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Yes, have the alternator and battery checked/tested.
Nov 6, 2011 at 4:09 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.