My Dashborad Reartail Lights dont work with my headlight

[FordExplorer87]

:exporange My Rear taillights and dash lights dont work my my B2 wire a light brown tan white color wire is geting no Power to the headlight switch on my 92 the headlights work but no tail and dash lights:exporange

 

[2001ExpSport]

Drugs are bad...mmkay

 

[SilverBullet]

Are the bulbs good? I know on a lot of cars if the taillights are out (bad bulbs or something) the dash lights go out as kind of a "warning". Or maybe a blown fuse?