1991 Mazda miata head lights wont go up or down .?

If the headlights on your 1991 Mazda Miata won't go up or down, it could be due to a blown fuse, a malfunctioning headlight motor, or a wiring issue. First, check the fuse box for any blown fuses related to the headlights. If the fuse is fine, inspect the headlight motors and their connections for any signs of damage or corrosion. Additionally, ensure the headlight switch is functioning properly, as a faulty switch may prevent the headlights from operating.