Nilight TR-03 Row 60" Triple 504 LEDs Truck Tailgate Side Bed Light Bar Strip Sequential Amber Brake Running Turn Signal Red/White Reverse

How do you switch on the individual colors - is each color illuminated by just applying voltage to specific terminals?

Where do you hook up the reverse wire?

The sequential blink only works with flashers, right and left blinker made the entire strip flash red like brake lights. Why?

I bought this from you, cooked it up to my gmc with plug, when you put blinkers on with parking lights on, yellow don't blink, the whole red strip