turbo timer help
 

i have the apexi pen turbo timer and i dont have the harness. there are six wires.
the manaul says " RED 12v+ Constant, BLUE IG1 output, GREEN IG2 output, WHITE o2 sensor, BLACK gound, GRAY parking brake. There are three wires that are on a connector that should hookups to a harness that i dont have so i have to splice these.They are the RED, BLUE, and GREEN. i dont know where these wires go. I know where the other wires go but not these. Under the column there are 9 wires that come off the ignition. there are 7 thick wires and 2 thin wires. The 9 wires split into 2 bundles of wires,BIGASS WHITE+ WHITE W/BLACK+ BLUE W/ WHITE+thin WHITE W/BLUE+thin BLUE W/WHITE.(these go into a connector and then from the connector off to somewhere else.) The other bundle has the rest(BLACK W/YELLOW+ BLACK W/WHITE+ WHITE W/RED+ YELLOW) and these dont go into a connector, they just stay bundled. I dont know which wires to splice into but i would assume its the BIGASS WHITE and others but i just dont know. PLEASE HELP IF POSSIBLE. thanks i appreciate it
Brian