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Bwairman's avatar
Bwairman
Explorer
May 05, 2016

Running light don't work-2010 Class C Winnebago Ford 450

Seems my Runnign light don't work, tryied the fuzzes in the cab, no issues there. Vehicle lights all work, Head, turn 4 ways, brake, just no running light anywhere on the couch its self. What could ...
Ray___June's avatar
Ray___June
Explorer
May 05, 2016
You might also check to see if the manufacturer installed a relay to activate the running lights. The headlight switch was originally designed to run headlights, side markers and taillights on the vehicle, not 8-12 more running lights.

Too much amperage through the light switch was a common problem for RV's for many years until they started using relays.

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