Just received my new 350 tremor, on my way home from the dealership on the freeway a loud humming sound was quite audible around 75-80mph. It seems to be coming from above over the passenger seat. A closer look shows a considerable gap between the light and the roof. Do other trucks with the same option look the same in the way their mounted. Would it be worth sealing up the gap? Has anyone else encountered a similar sound and found it to be something completely different? Sound clip of the humming attached.
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