Does anyone have a wiring diagram for astra tailgate boot lock?

Try this site. It includes a lot of detail about the Astra talgate/boot lock assembly including the circuit diagram you need.

google.com/site/gmlockrepairkit/home/astra-h-zafira-b">http://sites.google.com/site/gmlockrepairkit/home/astra-h-zafira-b