car audio

hey guys ok now i wanted to install a deck in my truck.. i've tryed and tryed but i'm soo confused.... ok now i have 3 sets of wires ok 1 set for the front wires....another set for the rear and than the master set right ... but i dont no which ones the power cord.... the master set is yellow/orange/black/brown/grey...... hopefully someone here has the same truck and installed a deck in it lol thanks guys hopeyou can helpp...

Constant 12v should be orange, ignition 12v(switched) is yellow, ground is black.
Speaker wires:
Left front + tan - grey
Right front + lt green - dark green
Left rear + brown - yellow
Right rear + dark blue - light blue