Update. I found the connector, thank you all responders and niedejb, very nice documentation on that turbo job. I had cleared the engine light with battery cable remove. Also, I replaced air filter and tightened mounting screws on MAS. Then I had an opportunity to run the car at triple digits for a few minutes a few times. 300+ miles later, the engine light is still out. Prior to above it stayed out less than 200 miles, then came back. We'll see, Thanks again.