Rear running lights and dash lights do not work

Tiny
JUSTIN CARLILE
  • MEMBER
  • 1979 FORD TRUCK
  • 5.1L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
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?
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Monday, March 13th, 2017 AT 5:56 PM

2 Replies

Tiny
CARADIODOC
  • EXPERT
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?
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Monday, March 13th, 2017 AT 6:28 PM
Tiny
JUSTIN CARLILE
  • MEMBER
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.
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Monday, March 13th, 2017 AT 6:49 PM

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