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Welcome, I'm Chris (aka Moose).
Here is the wire diagram https://www.dropbox.com/s/1b5ik7l1zi4qvct/shiftlockfit.pdf?dl=0
For the key to release the ignition lock solenoid needs power on the purple wire and ground on the light blue wire. For that to occur the MICU needs to see a ground from the park switch on the red wire. Can you check those?
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Hello Chris here again,
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