How do I know if my diesel alternator is bad?

Signs My Diesel Truck's Alternator Is Going Bad

Please check below. These are the signs to know about your diesel engine alternator is bad

1. Burning Smells. If you smell burning rubber or wires, your alternator's internal mechanisms may be wearing out. ...
2. Dead Battery. ...
3. Dim Lights. ...
4. Frequent Stalling. ...
5. Growling/Whining Noises. ...
6. Malfunctioning Accessories. ...
7. Starting Troubles. ...
8. Warning Light.