I have a 91 da and the car will start but if i turn the lights or ac on it dies. Also my gas gauge does not work and the temp gauge goes straight to hot. If i turn the signal lights on it makes the temp gauge bounce back and forth also. If i drive it the speedometer goes back and forth and does not work correctly. Also the stereo will not work and the windshield wipers dont get full power. This all started when my power seat belt control box (located on the passenger side by your feet) started making a wierd noise and started smoking or thats where i saw smoke come from. I dont know where to start to trouble shoot the problem. I checked all the fuses and tried to look for burnt wiring but no luck so far.