Two ways to remove the liftgate wiring harness.
1. Wiring is accessible through the liftgate's interior panel. All wiring inside the liftgate can be disconnected and released from routing fasteners then the harness is pulled out of the access point at the passenger side top of the liftgate. The rubber loom removes from the liftgate easily.
2. The liftgate wiring harness can be separated by disconnecting the plug located behind the passenger side rear window surround. The window surround pops off. For access to the wiring loom retaining clip, remove the two plastic pushpins at the back of the headliner and
gently lower the headliner just enough to reach the loom's clip. To remove the clip press inwards on the tab on each side.
Either way is not too bad to perform, just more steps with the second method.
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