STOP.

The latch retainer switch is in the windshield frame, when you turn the "D" handle, the switch releases and that ground goes away. THis is the wire at pin 16 of C1 of the PTCM.
The trunk's liftgate lock switch is connected to Pin 13 of C1 on the CLP/SSM, the condition of this switch is passed to the PTCM via the CAN bus that connects the BCM, PTCM and CLP/SSM.

Read my content in this thread before you waste any more time chasing your tail! Make sure you understand the entire system.
https://www.crossfireforum.org/forum...p-sensors.html