What feeds the 4wheel drive switch in the dash and where is the relay for this?

Asked by Nov 05, 2013 at 07:24 AM about the 1999 Ford F-250 Super Duty XLT 4WD Crew Cab LB

Question type: Maintenance & Repair

1 Answer

18,115

If the switch is not lighting up you have a vacuum controlled electrical switch on the passenger side fender.If it is not working correctly it won't let the 4x4 switch work on the dash.

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