How To: Build an offboard PCM interface

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Originally Posted by BrandonHall10

Anyone have a diagram for the '04+ PCM?

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http://i784.photobucket.com/albums/y...nouts/C1-1.gifhttp://i784.photobucket.com/albums/y...nouts/C1-2.gif

http://i784.photobucket.com/albums/y...nouts/C2-1.gifhttp://i784.photobucket.com/albums/y...nouts/C2-2.gif

http://i784.photobucket.com/albums/y...nouts/C3-1.gifhttp://i784.photobucket.com/albums/y...nouts/C3-2.gif

http://www.grandprixforums.net/threa...ness-99-and-04 the one i referenced in this thread i built and used. works 100% on a 04, have not tried a 05 yet.

You only need the blue connector. Low reference is the internal ground path