help pulling wiring harness

[crashedout1]

Found a running 85 engine and I need the harness any tips on pulling wiring with engine
the harness the passenger side plug is buried what's the easiest way? I really need this harness intact

 

[NorCalTurbos]

Disconnect it, pull it after you get the motor out take photos of what you can to make it easy to remember what connectors go where