It will be right above the heat/ac control panel. My scanmaster sits right up there so should be room for the Trans pro adapter. Yes you are kinda right about me not needing to mess with it much, but I am hoping to have a setting where I just want to take it easy i.e. normal driving and I want a separate setting for higher performance. I don't like having wires spliced so I already am planning on ordering the plug and play harness. I just didn't know if I need more wiring to get the trans pro to reach the dash. Speaking of plug and play harness I notice it says for OEM sensors. I however have the Heated O2 sensor with kit. Will I still be able to use plug and play harness?