Here's the part that I think would have helped me the most. Everybody here has been a HUGE help. But let me take from that, build on it, and help the next nube just a little too.
Here is the hi and lo before mods:
Here are the old components that have been removed (left), compared to new components (right) they replace, before they go on. This first picture is the high crossover:
for the high crossover, its pretty easy, just mark the solder pin hole on the circuit board, on each end of the component. I lettered each component A, B, C, etc. Then lettered the two corresponding holes for each component. A and A, B and B, C and C....and its pretty easy. The very last component on the image, is a 3.5 ohm resistor on the old version. I was given a list of components to buy and was real confused that i had way too many components. The list it turns out, was to give me options on what to replace this 3.5 resistor with. After reading what much smarter people than i opined... i decided to try the 2.5 ohm resistor here to start with. Who knows if I'll ever change it, but i know i could.
And the same for the low crossover, old left... new right.