Thank you so much for replying!

I apologize for not quite understanding, I am very new to home repair of my volvo. Are you suggesting that if the voltage indicates that there is an issue with the alternator, to pull it out, and simply replace the voltage regulator? not the entire alternator?

Hey all! New to the forum, hoping to find some answers! My little lady is having starting issues. about a week ago starting was sluggish... pretty typical low battery sounding start up. After driving around all day, she was starting fine. So I just though maybe I left the lights on, or something. A ...