Chipit chip

[Peterz102]

Acquired a chipit chip 2nd hand cheap I have plugged it into the fuel rail its working well but there are other plugs on the harness I have no idea what they are for can anyone help

 

[OldManBeard]

Mine's a D40 and I have a DTI chip. In this case, the second set of connectors are for the turbo boost sensor. I don't know about the D22 but for the D40 you have to remove the grill to get to it, as it's located on the intercooler.