Is the whole harness a B series harness or was there a factory D series in it and you're using the D series harness? and youre talking about the secondary lower O2 sensor right? Let me know what the harness you have came out of and ill try to help you out.
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98 Eddie Bauer Explorer with single 12W7: 7th loudest vehicle in PA: Sold
93 Gutted Greddy Turbo and Zex Nitrous EG Hatch: Sold
07 Caliber with 13W7 and 20's: Traded
08 Ridgeline with all JL system: Traded
94 343whp D16z6 Del Sol: Sold
04 VW R32: Doin' Thangz