ok i put in my sidemarkers and tapped it to the corners but there r 3 wires coming from the corner one for ground one for high and one for low how do i get my side marker to stay on when my lights r on and then blink when my corner blinks

 

just connect all the wires to ur blinker wires or u could conect the wires to the two black and red wires then plug one of them into the instrumental lights in the fuse box

 

theres 3 wires on your corner light harness thing.. dont use the ground and wire it up.

 

If you really want them to function that way, you simply connect one of the side marker wires to the parking light positive lead, and one of the wires to the turn signal positive lead. However, the factory method of wiring them (and the same one used by virtually every auto manufacturer) would be to have them only flash with the turn signals.