Car won't stay started

Hi all I was driving to today and i noticed that my cd player was acting funny. The abs and srs lights were all on. So i pulled over into a parking lot and the car died. I popped the hood and found that the fuse connection leading to the stereo and the positive cable on the battery was loose so i fastened it. Tried to start my car but no go so i waited awhile and it started. So i headed home and it died again. This time i had to get a jump and now it sits in the driveway. i checked the fuses in the relay there were 2 of them 10 volt they looked fine. Any idea's please help. I'm hoping it's not the altenator.

[Benzmac]

It is something to do with the charging system. The first giveaway is the ABS light on. This light and the SRS are all voltage sensitive.

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Benzmac:
Donnie Drummonds
1991 GMC Syclone
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM