Hopefully, you can find enough space inside the SS tubing along one side of the pedestal. I've got a Whitlock pedestal and all the wiring runs through one tube. I've got the Raymarine C80, wind, speed, depth and autopilot instruments. Last month I purchased a Sirius weather receiver and started the installation last week. I ended up having to use the starboard side SS tubing to run the NG plug to the back side of the chartplotter. Not an easy job. After cutting out a large hole in the SS tubing behind the chartplotter I found I had to snake the plug up (rather from top down) from under the helm station. I ran it around the throttle assembly and finally to the rear of the chartplotter. Raymarine only supplys a 10ft cable so the receiver had to be close by in the lazarette. I've installed a dedicated power supply line from the distribution panel that terminates in the lazarette so providing the power was easy to all my Raymarine gear. Anyway, when you tackle this job it's going to take some thorough engineering on your part. Every boat is different and each have their unique hurdles. Take your time is my best advise. Your Edison pedestal has accommodations for wiring. You'll probably end up taking it apart to fiqure out what's in there. Good luck and keep us posted.