99 a4 tail light on a 98 a4 wiring prob
 

can anyone tell me the color code or what wire does what i am trying to put lights from a 99 a4 on a 98 a4 the thing is the blinker is three lights down on a 99 and 2 lights down on a 98. So easy enough just switch the two wires did that then some how didnt do it right now i have the right side working great and the left side working but if i use blinker and head light at the same time blinker and reverse light blink but only on the left side does anyone know if the wires on the left should match the wires on the right even a ground color would help any help i can get will help and be greatly appreciated