F 250 2WD Super Duty V8-7.3L DSL Turbo VIN F (1999)
Headlamp Dimmer Switch: Description and Operation
The integrated multi-function switch is mounted to the LH side of the steering column and controls the turn signal, headlamp dimmer/flash-to-pass,
windshield wiper/washer, and hazard warning.
The ignition switch is mounted below the steering column and is activated using the ignition key and rotating the ignition switch lock cylinder on the
steering column.