Originally Posted By: mlord
It could be quite informative to see a full serial port trace (with the stalk/tuner debug/trace options you were using above) showing what happens with the stalk connected, and the vol up/down buttons being used.

When I tried this in the car with my Autoleads adapter connected all the buttons produced no output except Up and Down, which gave me the same output I get when bridging the 'Shift' pair (collar and ring) as these are shifted buttons.
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Hussein