messing around under the dash with the DRL disable mod ... pulled on the plug too hard, and one of the pins slipped out.
it's a brown wire, came out of the middle plug on the top of the BCM, around the right side of the plug I'd assume... i've narrowed it down to about 4 holes..
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Cavillac
future reference--
brown wire - parking lights - pin A1
Blue plug, BCM
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Cavillac