Headlights Turn Off While Driving problems of the 2000 Ford Crown Victoria

While driving at various times electrical problems occur, headlights will go out along with instrument panel. Sometimes the fan on will come on and will cut off even when it is off. When temp is cold heater blows cold air. Hot outside heats works. Ac works fine in both climates. Drivers side window will not come down in certain temperatures. Heads have low visibility and lens cover gets moisture inside. You have to drive at night with high beams to try and see at all. Suspension is definitely a problem on steering car has a swaying motion at times especially in warm weather popping, squeaky notices can also be heard. Vehicle has 92,000 actual miles but is becoming a hazard to drive. Vehicle has been inspected by a reputable repair service who states suspension looks good, parts have grease in joints, etc and heater problem everything was in specs. Large Ford dealership 35 miles away would not schedule an appointment due to car being an older model. If problems are not found, an accident is waiting to happen! note : electrical problems have been ongoing and have increasingly become worse.