Double din
In installing a new Kenwood into my w163 Bose equipped ML, I used the usual VW9000 adapter wired according to Crutchfield instructions. In turning the unit on, I found it had power but no sound. The instructions say to plug one of the two wire blocks removed from the back of the old ML MCS into one side of the adapter and abandoned the other one. In doing that though, it leaves the other side of the adapter, the one housing the Kenwood stereo speakers out wires, empty with no existing ML speaker wire harness bloc to plug into it. Anyone know what’s going on here?

Not going to work. You will have to bypass your FO (fibre optic) bose amp system, presumng yours operates using FO.
What year is this w163?
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