VRS speaker wiring

Hi all I am trying to install some replacement 3 piece component speakers into my vrs with the stock audience sound system in it. It comes with the 12 speaker system so I have bass mid and tweater already but I see all of them seem to be wired separately? If I wanted to use the crossover with the JBL speakers I will need a full range line to feed the crossover but now It looks like that might not be possible because of what looks to be two sepperate feeds for each door?

Anyone delt with this issue before and if so what did you do? A also will need to make new pods for the bass drivers as they are molded into the spacers stock :\

Nice to see the last person had already messed with the system at some point as they have put I assume different oe speakers in the front doors and busted up the clips and door card!

Thanks in advance for the help :D