Q: I am not getting power to the tow/tail relay.

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i am not getting power to my tow/tail relay. i know the relay is good i energized and ohmed it out. i even bought a new one to make sure. i also know my output side is good because i put power to it and got light. I tested with my meter on the input side of the fuse box and i am getting no voltage when my running lights are turned on. My question is is there another relay i am missing?

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