I have an obd1 car I'm my shop I'm trying to connect to with snapon modis ultra which calls for a gm obd1 to obd2 adapter which I don't have... so I pull out the godiag BOB which says use to connect obd1 and shows a wire to pin 7 sil and pun 15 wspe a power and a ground wire but doest say what to connect it to... I tried a few combinations with out luck.. anyone tried this?
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