There's an antenna adapter already installed. I really want to leave the MB connector alone. I did get faked-out by the pic of the connector in the ad. Looked like it was short of "pins". But a better pic of the 70-9401 connector got me back on track but has some missing pins. In my T1N the radio has A1 is for VEHICLE SPEED SENSOR OUTPUT, A2 is R-TOM/RADIO and A3 for CTEL MUTE- they obviously don't matter since it runs without them.
First is the current adapter from the T1N to the Sony CDX. - the Sony end looks to match the Pioneer harnesses that are for sale.
With more monitor time I found something described as a:
16Pin Car Stereo Radio Wiring Harness Connector Plug ISO PI100 for Pioneer 03-on
In a few places I found the year range from 03-18. From what I can see this looks like the harness I want. The colors don't match mine but I can do a complete diagram. FYI - the Mercedes end has MADE IN CHINA - METRA. Thoughts?
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