99 Ecu harness pin out help!
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Yes it very much does matter. There's a silkscreen printed on the board with a little "notch" that's facing away from the heatsink with all the big transistors. There is a corresponding notch silkscreened on the MS2 daughterboard. Make sure that the notches line up.
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bigmackloud
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01-08-2021 11:24 AM