overcharging

150,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
Avatar
LARRY LAFRANK
  • MEMBER
  • 1 POST
I've replaced the alternator, battery and ECM. It's still overcharging.
Dec 14, 2020 at 9:27 PM
Advertisement
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good morning,

What is the charge rate?

There is no ECM involvement in this year. It is way too early.

It is all controlled by the alternator itself.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/how-to-replace-an-alternator

Roy

Dec 14, 2020 at 10:50 PM
Add a reply
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.

Frequently Asked Problems for This Vehicle