Step 1: This is the original computer
sorry for the sideways--just turn yer head
Step 2: Create the module for installation.
SPST switch-2 LED's wired in paralell-terminal block-resistors-molex-power supply cord (NOT part of project)
See schematic image for wiring. One does not need a terminal block-any prototyping PCB will do. It was just convenient for me.