Light problem on my 04 f150.I have a problem with my auto headlights,when set on auto only my parking lights come on,this is one the dealer could not find.They worked in June when i got the truck,but have stoped working since then.Checked the fuses and sencer workes at night for the parking but not headlights.I there a relay some place to replace or is this a switch problem. I am stumped on this one,i need help on this one.As always when you can't do it yourself ......then come here....Love this 5.4 so much power and good on gas. Thankyou