alternator problems

[richy22]

My battery light has come on and it keeps haunting me by staying on!! lol

Now i think my alternator is shagged but not sure, is there anything i can do to test it??? need my car badly this weekend for work

Anyone help me out pleeeeaaasssseeeee????

 

[JAY172]

you need to check the alternator charging rate at the battery.it should be between 13volts to 14.7volts with or without electrical consumers(lights,hrw etc).if its charging ok then maybe the warning light wire is making a poor connection on the alternator.