F 250 4WD LD Pickup V8-5.4L SOHC VIN L (1997)
Headlamp Dimmer Switch: Description and Operation
The Multi-function switch is mounted to the LH side of the steering column and controls the:
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Turn signal.
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Hazard flasher.
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Windshield wiper/washer.
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Headlamp dimmer/flash-to-pass.