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Originally Posted by newelly
.while i know the red is power and the black is ground im not sure what the other 2 wires are...i dont have any hook up instructions but it seems easy aprt from that 4 pin plug...thanks
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There red is "switched power +12v" the yellow is "constant power + 12v". Black is ground. Green is for "parking brake" in case you hook it up viewable from the driver seat, it will not operate until the brake is on, possibly keeping you from violating a driving law in your state and protecting the manufacture from liability.
You can leave the green unconnected.