cheapest way to get hemi 3g going?

I wish someone would post up detailed instructions for hacking the factory harness or that someone, i.e. Hotwire Auto would produce an add-on harness. Pretty much everything on the motor runs back to one plug on the factory ECU, so there should be no reason you cant use the factory engine harness. You just need to add connections for all of the accessories and external inputs/outputs from the ECU, at least that is my take on it, sounds pretty easy to me.