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I just purchased the instructions on how to reprogram my remote from ebay. Unfortunately the instructions did not tell how to identify the pin numbers on my OBD 2. Can any one post a diagram or clear explanation on how to identify pins #4 and #8 as they need to be connected in order to program my remotes. One additional question, why did GM make this so freaking difficult? I suppose they were too cheap to put in a programming button to accomplish this task. I am going to post the remote programming instructions on another thread as I hope it will help someone else.

Anyway, thanks in advance for the assistance.
 

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Sorry tried to post the picture and instructions but the picture did not show up. Just click on the above link and go to your vehicle and year and there is a picture.
 

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