The c4 had the switch on the shifter also. The AOD has the switch coming out of the top of the transmission. I am pretty sure you have to do some sort of conversion with either trans. I searched for a harness that plugged directly into the AOD and the original body harness, but I couldn't find one. I know that they did make one but I have not been able to locate one so I decided to do a splice between the 2 harnesses.
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