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ODB2 to 4 Pin wire diagram

5.7K views 3 replies 3 participants last post by  Jeroen Tielen  
#1 ·
I wanted to create my own ODB2 to 4 Pin converter but I can find the wire diagram anywhere. Does anyone here ever build something like that?

This is what I want to accomplish:
Image


So I can reset the fault codes with a default OBD2 tool.