It's been about 3 months, hopefully everything's still good for you. From what I know, those YELLOW wires are for the airbags & sh1t. I, personally, would stay far away from those wires. I'm always terrified to even brush up against any of those wires while doing any type of work in any area where those wires are present. I'm currently looking to connect up lighting for a newly installed mechanical boost gauge. I've been monitoring the boost for years with an electronic Scan Guage II mounted behind the steering wheel...