desertskier
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I thought I would post this in case anyone needs it. I started with a diagram from a 2018 that I found online. The 2018 diagram didn't match mine so I just rang out the wires. Based on ASCM PN's I think there was a change in 2020. So this is probably good for 2020+ factory rear air suspension trucks.

The ASCM is located under the drivers seat.

The sensor wires are in the center connector. Pins #1-9 are on the bottom row starting in the lower left corner. Pins #10-18 are on the second row from the bottom starting on the left.


The ASCM is located under the drivers seat.

The sensor wires are in the center connector. Pins #1-9 are on the bottom row starting in the lower left corner. Pins #10-18 are on the second row from the bottom starting on the left.
