Disco series II subwoofer wiring question

I wasnt sure where to post this. I apologize.
 
I need a wiring schematic as I replaced the two 6 1/2 inch rear woofers with a single 10 inch subwoofer in the back. I need to bridge the 4 wires (4 different color patterns on them) from the smaller woofers to the +/- of the new speaker,and I can''''t figure out the combination to fix the phasing issue.
 
Any help would be greatly appreciated!

Thanks!