stereo wiring harness

So I'm going to order a KW excelon ddx396 HU for my 07 civic, I'm looking at wring harness' for it on crutch feild and there is 3 options. I'm not sure what is the right option, I won't rlly mind if my steering wheel controls are lost, I want the install to be easy bc I am new to this. One thing...

I am installing a Pioneer MVH-S622BS stereo in my 2005 Chrysler 300C. I am using the PAC RP4-CH11-A wiring harness. The wiring harness has an extra yellow (battery+12v) wire and an extra black (ground) wire that are not on the Pioneer wiring harness. Should I cap the extra wires or wire all...