I have a 2000 my markers come on my turns an brake lights work just no headlights. I replaced headlights checked fuses checked connectors everthing looks ok. The only wierd thing is when i pull headlight switch the brights indicator stays on even if i have brights disengaged. Any help would be appreciated cant drive truck at bight

 

Check the connectors at the headlight switch. I don't really know about your year, but on my '91, I have had problems with my switch. The same problems that yours has and mine was the connector. On my model, all the power for all the lights goes through the switch and it's not really heavy duty enough, especially with the newer headlights (I like the Silver Star ones). When I rewire mine, I'm going to put the headlights on relays so a minimal amount of power goes through the switch.
I hope this might help.

 

Appreciate the help buddy it ended up being turn signal high beam switch