The BCM is under the dash, far left above the parking brake pedal.

There are 3 electrical connectors on the BCM (C1 24 pin pink, C2 24 pin grey, C3 16 pin grey) This view is looking into the end that goes into the BODY CONTROL MODULE, so reverse it with the release tab on top. The top row is A.
C1 Pink

C2 Grey
