96 buick lesabre

Hello, just joined this forum and was wondering can help me out. 

I just put my old system, in sig, into my new car and ran into a few problems with clearance for the cd deck/ mess of wires. 

I`m looking for a way to run 2 sets of rca cables and a remote wire from behind the deck and into the trunk. As for the floor I just pulled back the panel and the carpet, stuff the power wire under them and replaced. As for the rca's they are just hanging through the front underneath the deck... :/  It blows, looks like ass, but I needed to get to work and wanted it installed. Sounds excellent, definately need to get speakers for the front, though. RATTLES...a little.    Anyone else work on this car and give some tips or any general advice?