Well it works fine on one side and I can watch the actuator move to cold on the drivers side. And when I do the same thing on the passenger side it doesn't move. All the other buttons work perfectly on the new unit. The problem is isolated to the passenger side only. Which makes me believe the signal is fine if one actuator is responding to said signal and the other is not. The hvac head unit has same plugs and everything. The pins on the head unit are identical so who knows o_O should have left it that way I guess.
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