check battery light problem

wat’s up guy’s so i reacently put in a new alternator cuz the old one was squealing and left me stranded so now that i put in the new one and new battery the check battery light pops on and off as i drive and its affecting the performance of my car plz help.

battery terminals are clean,everything looks fine. The day before the old alternator went the check battery light would come up eveything looks fine wierd problem

I found the problem it was a bad voltage regulator even douh it was new****

how much voltage are u getting while the car is on? and what is ur battery voltage at when the car is settled and hasn’t been touched for like 30min? usually things like this are caused by crappy alternators usually from a local parts store like autozone, which i’m guessing u got urs at, or that u left some connections dirty or not very tight, and/or that ur battery terminals and cables are dirty and dirty and corroded.

u need to give us some details, and some values.