That's completely normal, should only happen at start up and for a few minutes after though. Just your grid heater cycling
Odds are, Yes, the alternator is not functioning properly. Have the charging system checked.
when you turn on your a/c it increases the electrical usage from the alternator, have your alternator checked to see if it is charging properly
The alternator is over charging. you need to have the charging sytem checked.
have the alternator and the battery checked
Is it charging, if not have you checked wiring to alternator.
Have the charging system checked. Possibly loose or corroded wiring, a loose alternator belt, or a bad alternator.
possible your alternator is going bad, get your charging system checked out.
A clicking sound when you try to start the car is a dead battery. It may be that the alternator is not charging it properly.
The battery light indicates the system is not charging. Have the charging system checked. If the alternator is not charging, the engine will quit running and leave you stranded.
Means your alternator is not charging replace alternator It MAY mean that the alternator is not charging. It could also mean one of several other things such as a broken wire. The thing to due is to have the charging circuit checked before replacing a perfectly good alternator.
Probably the alternator. Have it checked if it is charging.
Have you had your alternator or battery checked lately? The vehicle could not be charging enough to handle the electrical load