The factory security functions are managed by the Body Control Module (BCM) where we need to make the connections. The BCM is located behind the radio.

Starting at the bottom, pull to disengage the trim bezel clips.
Disconnect the electrical connectors from the center trim bezel

Remove the Radio.

Disconnect the ground strap.
Remove the radio.

There are 4 connectors, C1, C2, C3 and C4.
This is the C1, 16 pin Gray.

This is C2, 24 pin Gray

This is C3, 24 pin Pink

This is C4, 8 Pin Gray.
