I have an 86 Grand Prix as my daily driver. I went to go to work Sunday night, started up the car and hit the lights, but as the title suggests, no lights came on. I have signals, hazzards, reverse lights, brake lights, and dome light. I have checked the light grounds, replaced the healight switch, horn relay, every single fuse, and both 30 amp circuit breakers, but still no horn, no headlights, and no tail lights. Any help would be appreciated.