what would make my lights dim and make my car shift in proper when i hit the gas on 1999 Isuzu Rodeo

Ok i first bought the 1999 isuzu rodeo ls and they had sold it to me with the wrong belt on the alternator so they fixed that and it now squeaks when its cold. untill recently now when i step on the gas it squeaks. so im driving today and all of a sudden my battery light comes on and my car wont shift properly i step on the gas and all of my lights dim...perhaps my batery is putting out low voltage?

by in Grafton, VT on December 01, 2011
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1 answer
ANSWER by , December 01, 2011
i bet the belt is gone. the alternator is most likely not working. have it checked at a shop to verify and get a bid. Roy