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  1. 03-16-2014 #1
    1project2many
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    GM Quad Driver Chart C3 and P4

    From time to time discussion turns to using code and ecm that were not originally put together. A common example might be putting $58 into a 7730. This chart is from an old GM training manual and could be used to help identify where to connect pins for outputs when trying to migrate code between ecm's or just to help diagnose a problem with a Quad Driver Module.
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