rear running lights and dash lights do not work

1979 FORD TRUCK
100,000 MILES • 5.1L • V8 • 2WD • AUTOMATIC
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JUSTIN CARLILE
  • MEMBER
  • 2 POSTS
All lights work except rear running lights and dash lights (dash warning lights do work). i have changed the head light switch and replaced all bulbs. how do i fix this problem?
Mar 13, 2017 at 10:56 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,366 POSTS
Start by checking the fuses. The running lights have a different twelve volt feed than the headlights use. Were there any blackened or charred terminals on the old light switch?

Which model do you have, and what is the correct engine size?
Mar 13, 2017 at 11:28 AM
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JUSTIN CARLILE
  • MEMBER
  • 2 POSTS
I am swapping the fuse box with an updated version. The engine is a 351 did not see any bad wires or terminals I will double check that.
Mar 13, 2017 at 11:49 AM
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