What connects to this blank harness?

[alwaysme]

It seems I am missing an option, I discovered a plug with absolutey nothing connected to it. I tested the voltage and theres no reading in all 4 pins even when the car is running.

Can someone please check the back of their 200's? see picture

 

[Tex68w]

What year model is this? I just checked mine (passenger side cargo pocket beneath speaker) and it doesn't have that harness, but there are multiple harnesses at the rear of that pocket.

 

[bloc]

It seems I am missing an option, I discovered a plug with absolutey nothing connected to it. I tested the voltage and theres no reading in all 4 pins even when the car is running.

Can someone please check the back of their 200's? see picture

View attachment 2895899

Does your subwoofer work as expected?

 

[bronc076]

I think it hooks to the woofer based on pics in this thread.

Does anyone need pics of anything behind the trim in cargo area?

I have mine pulled apart to run some wires, so let me know if you need any and I’ll post them. Best if you can let me know in the next hour or two.

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