alternator testing

2004 OLDSMOBILE ALERO
160,000 MILES • 2.3L • 6 CYL • AUTOMATIC
Avatar
ANNIEBNUTZ
  • MEMBER
  • 14 POSTS
how can i test alternator if my car will not start?
Jan 17, 2017 at 11:55 AM
Advertisement
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
you cannot. if it will not start try a security reset. if it still will not start have battery checked for condition including load test most places do for free. See picture.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Jan 17, 2017 at 12:12 PM
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.