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Lights Don't Work
Without doing a "hands on" troubleshooting of your vehicle, no one can tell you what specific defect is causing your problem. Therefore this answer will of necessity be of a generic nature.

Usually this type of problem is caused by what is called an "open circuit" condition. Since, all the "running" lights are not working, I suspect that you will find the defect in the circuit (s) between the main light switch [ususally the 'headlight" switch] and the non-working lights.

Also, because all of the lights are involved, the defect will be in the "upstream" section of the circuit, before the wiring harness [loom] branches/"splits" to go to the various light locations. That also suggests that it will be pretty close to the main switch.

Open circuits can be caused by several things, a few of which I can recall now:
  • A disconnected connector [or splice] in the circuit.
  • Corrosion or road film buildup on the contacts inside a connector.
  • Corrosion in the metal "socket" the lamp [light bulb] is inserted into.
  • A cut or broken wire in the circuit including the ground wire between the lamp socket and the grounded car body sheet metal.

The "proper fix" is for someone who knows what he or she is doing to troubleshoot the nonfunctional circuit, find and identify the problem, and properly repair it.

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Q: 2002 f250 no running lights and no dash lights fuses are good?
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