I'm a stereo newbie and not a huge fan of playing with wiring. I have a few simple questions. I have an Alpine CDE 9852 headunit. I have both plugs that I need and I'm in the process of connecting everything but I don't know what to do with these three wires in the picture below.
blue w/ white stripes - remo - ?
blue - p ant - power antenna?
orange - illumination
how come these have spade connectors at the end?

All the other wires are just bare copper. Can I just snip the connectors off and wire them together?
Lastly are the oem RS/MR gauges wires before or after(before meaning prior to the oem head unit harness...after meaning the actual oem head unit harness) the head unit connects? I have not had a chance to check yet is why I ask.
Please, if you can help me out I'd appreciate it!
Thanks