Trailer lights

Asked by Guru8DGVB Dec 24, 2019 at 01:50 PM

Question type: Maintenance & Repair

02 F350 7.3L
Lights work when the switch in the truck is off. (I
have blinkers and brake lights) when running light
are turned on the left brake and blinker and running
light on the trailer will not work. What's the fix?

1 Answer
38,925

beatupchevy answered 4 years ago

Grounding problem ? The runners ground out whee they can through another circuit ? Brake and directional may share a circuit

Mark helpful

Your Answer:

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