your head unit likely does have the 9 pin plug, but simply because the case and circuit board is the same there, but the tape head units are the ones that have the logic for controlling the cd changer port...
Hmm. The PIE website says it'll work, but what you say it won't? Guess I need to try to find a local shop that may carry it and see if they will let me try it out first.
2016 Ford Fusion Energi Titanium - Still trying to figure out what I can do
2006 Mercury Mariner Hybrid - K&N Drop in filter. Not much else you can do...
TOTALED 9/2016 - 2004 Impala SS
SOLD 3/2013 - 2000 Grand Prix GT