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Clearance lights

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Q: What are the lights on top of a semi called?
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What are those lights called on the top of a 1995 34 ton suburban that come on with the park lights?

Cab lights. Wrong.... Marker lights


How do you wire a semi truck trailer plug?

Very top is ABS, next two down are marker lights, next two down from that are flashers/turn signals, bottom is brake lights, center is ground.


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Brake lights and tail lights. (Unless you have a spotter telling you of course)


What are clearance lights?

Clearance lights are common on Semi-trailers and taller vehicles. What they are are lights at the top of a vehicle that marks the outline so you can make sure you can clear an obstacle. For example: Look at a big truck going down the freeway at night, see those lights at the top of his trailer? those are clearance lights. These mark out the outline of a vehicle so you can see them and so the driver can make sure if he is going under something he will clear it.


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Why are the northn lights called that?

Because when this occurs the Northern Hemisphere's sky (top part of the earth) displays a very colourful attraction (lights)


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Is there a separate wire for brake lights only on semi trucks?

Yes.


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In New York city what are the orange lights on top of the street lights?

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

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Why is half a circle called semi-circle?

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