It does not matter which way you attach the plug. There are two identical sensors inside that unit, and they are wired kitty-corner. So, all you do when you flop the wire 90 degrees is switch which system reads which sensor. Since they are identical sensors, unless one is malfunctioning, swapping will not produce any change in behavior or symptoms at all.

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-tp


1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition