Yo dude I really need help with this head gasket change out, you posted on my page before. We get the head back in and now I have the wiring harness there are 5 wires see diagram the grey goes to grey blue to blue and like greyish to greyish now I have this black thing its not the speed sensor that is already plugged in please help.

This is all 5
Next is where they all go, but can't find that black one.

See how there is a grey on the left and right in front of it is the greyish
Next is the blue one
Hope you get this and able to help me please