89 Camaro RS 305 TBI 5 speed manual. Some of the issues I am having with the car. Factory stereo passenger side no speakers front or rear... wiring is good and connected and speakers test good. next issue.. Battery draining over 2-3 days if not driven. next... issue Heater, blows air never heats up, car heats up fine tho the fan is always running. as soon as you turn the key on the fan starts running. Anyone have an an idea on any of these?