They need both a positive connection and a negative connection to function.
burnt bulbs, switch or fuse.
On a 1998 Ford Crown Victoria : If you mean that you want to turn on the high beam headlights ( push the turn signal lever forward , away from you )
Bulbs burned out? Bad switch? Blown fuse in power distribution box
If your car has a distributor it is the negative on the coil.
no
Yes.
Yes
Yes
Yes
Yes
Yes
Ford Crown Victoria was created in 1955.