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Simple, just replace your alternator..
You have an open connection from the large alternator output post to the starter main battery post or fuses blown or circuits open feeding the alternator control wiring.
The battery light is letting you know that the alternator is not charging the battery. Check to see if alternator is any good. Also check to see if belt is hooked up.
I would suspect a bad alternator and battery, have them both checked at the parts store. A car with a fully charged battery and a bad alternator will run until the battery is drained and then quit.
Check your RPO codes. If it has K60 then you have a 100 amp alternator.
The most obvious thing to check when a 1991 Oldsmobile Cutlass Supreme won't start is to make sure that the vehicle has gas. You should also check the battery. If the car clicks when you try to start it, it is likely the alternator.
the battery is under the window wash tank
dead battery or try taking the battery terminals off and cleaning the terminals and battery cables with a wire brush and rehook.
The battery one the 95 cutlass supreme is on the from driver side of the car,underneath the washer fluid container.
The Volatge Regulator Is Inside The Alternator.
To reset the computer on a 1992 Oldsmobile Cutlass Supreme, unhook the battery for about five minutes. Then reconnect the battery. If this does not work, look for the reset button on the computer and manually reset it.
My 1986 Olds Cutlass Calais doesn't have a serpentine belt. It has a separate alternator belt. How do I change it?