The EFIS and standalone AOA will only have the tubes in common, no wiring will be shared. If you have wing ports that you need to use you could add EFIS AOA for $400 into making it an AF-5000 MFD-A. This lets you connect the blue and green tubing directly to the EFIS. Alternatively, for $400 it's usually better to install the $200 Dynon AOA Pitot or they also have a heated for $450.

Call us at 503-263-0037 x 1 for more clarification.