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I have a 54 F100- replaced the brake light switch and a frayed wired and still no brake lights! Does the 54 F100 have a brake fuse? Frustrated. My tail lights and headlights do work properly.
NO separate fuse that I remember on that application. Do you have voltage at the switch? What is your experience with automotive electrical, so we know where to begin?
Do you have a meter?
Is the truck stock or has the electrical system been modified?