Ok this is my problem i started the car and turned on the headlights and i noticed that the fuel gauge needle and background was dim and the other gauges were ok so is there a burnt out bulb or something?

My other problem is that the left front speakers go on and off. Please help thanks guys

 

illumination bulb.

fader switch, loose wiring connection or speaker.

 

Thanks, you know where i can find insturctions to find out how i can do it mself?