connector pinout for VAG-COM

Brian Link BrianL at
Tue May 13 22:38:51 EDT 2003

I deleted my 2x2 connectors and installed a obd2 connector when I got
the shadetree ProDiag.  Is that what you are trying to do?  If I go look
I can tell you what wires go where.  Only 4 wires needed, 2 power and 2


Date: Tue, 13 May 2003 12:37:33 -0400
From: ben swann <benswann at>
Subject: Re: RE: Diagnostics connector pinout for VAG-COM
To: "Perry, Christoper (EDS)" <chris.perry at>
Cc: 200q20v at, quattro at, benswann at

That's the idea, except I need the actual pinout.  The computer end
would be DB9 serialwhich interfaces/connects to a PC's standard Serial
(RS232) and the other end would interface to the car - the Ross-
Tech "ugly" end would work just fine, but would like to get the OBD
pinout as well.

Check out:

and you'll know what I am talking about.

Does anyone have this?



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