batery light means that the car is running on the battery power, not on alternator, and this basically means that ur alternator is dying and its time to change it. there is a slight chanse that itmight be a cirquit malfunction but 90% its the alternator. since you have a gen I ls check your power steering pump that is located right aboe the alternator if its leaking on the alternator or not. the rest of the lights are there coz ECU and all ECMs just dont get enuff juice to funcion properly. i bet you are gettin a pretty bad gas mileage.
you can get a rebuilt alternator in almost any shop that does this kind of thing and it will run you around 250-300 with labor to fix it. while ure at it you might as well get a reman power steering pump which will cost u 100$ at autozone and around 50-70$ for labor and power steering flush.