Functional Diagram Central Interlock you can download from zSHARE
80-900.pdf - 0.22MB
Looks like I'll be getting familiar with it too as I tried turning my key counterclockwise 150 degrees or so rather than the normal 60 degrees in the trunk lock and now I can't open mine either.
Autozone has the plastic MityVac for $30 which seems to work fine.