i have a 2001 ford ranger edge 4x4 ,i need to know what color the wires are for the rear speakers and which ones are negative and positive thanks

 

S/B....


BN/PK.......Right Rear negative
OG/RD.......Right Rear positive
TN/YE.......Left Rear negative
GY/LB.......Left Rear positive
DG/OG.......Right Front negative
WH/LG.......Right Front positive
LB/WH.......Left Front neagative
OG/LG.......Left Front positive