Okay please tolerate me,

yes terminator my car have factory PDC.

i'm understand every thing in nextgen diagram (except):

1- when i take the power ignition wire from PDC to 30 on relay, where i connect aftermarket video module (positive) and camera positive in (relay)?

2- i know PDC unit place in trunk (it's ok) but which wire i can take the power ignition in pdc control wires?
and there's the diagram of my friend nextgen but with my comments :



and there's a diagram of the (PIE after market video module):



and this photos for it:












and thanks very much my friends