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Currently, commercial semi trailer trucks are not required to have any emergency lights. However, it is wise to have them to avoid accidents, which could lead to charges against you.

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Q: Where are the DOT standards for emergency lights on commercial semi trailer trucks?
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Where are trailer lights sold?

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When are lights required to be installed on a trailer?

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Why do my Trailer tail lights go out when brakes are used?

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When are lights required on a trailer?

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Which fuses control the trailer lights in a 2004 Ford Expediton?

There are no extra fuses for your trailer lights. If you have the towing package (and you do) the trailer lights run through your regular fuses (tail, brake, turn).


Where to position trailer lights on my trailer?

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Why do truck turn signal lights work but not the turn signal lights on the trailer?

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What is required on a boat trailer?

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