Can anybody please help me out, my headlights keep dimming and my fog lights keep blowing its fuse. I replaced my alternator and tested battery both are good. While I was replacing the alternator I dropped a bolt and it landed on the underbody shield/tray as I was reaching for the bolt I discover this wire plug next to the bolt.. can anybody tell me what this goes to? Or why my light keep dimming and for blowing its fuse?