I'll second on double checking the belt tension. I test them by taking
a cold off engine and seeing if I can hand slip the alternator pulley.
If I can make it slip, it won't grab good enough under load.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
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slickie wrote:
>
> thanks mike about 3wks ago my alternater belt snapped i have fitted a
> new one i thought the battery was the problem i wanted to double check
> before purchasing a new battery once again thank you