Need help identifying Plug

[marveluz]

https://uploads.tapatalk-cdn.com/20190122/0d63793a50516af5d89b06f494eae6e9.jpg
Can someone tell me what this is? I was diagnosing P0100 when it started making a ticking sound as soon as the multimeter hit the strut tower bolt(ground). Now it won’t stop unless I turn off the ignition.

I made sure to disconnect the fuel injectors and isolate the sound to this plug.

Because of this the car won’t start and the code reader won’t recognize the ECU.

Checked the FSM and I think it is the F71 which connects to F17. I have no info other than that.

Any thoughts on how to proceed?

Thanks





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[DennisC]

I believe that's the EGR solenoid connector

[marveluz]

Thanks. It was the EGR.

It turns out I fried the ECU during diagnostics.

Replaced ECU and all is well.