rics71

i have a 04 silverado 6.0 2500 wiring harness . i m bought the denso o2 sensors 234-4468 they have blue , white , and 2 blacks wires . my problem is i need to know what color wire connect where on my harness. b-1 s-1 harness colors are blk/white stripe, pink, tan, purple /white stripe. if im corecct i need to connect blue to pink.. white to tan, and im not sure on the 2 black wires coming from the o2 sensor. b-2 s-1 colors are pink, red /white stripe, tan, purple . just really confused on where the 2 black wire need to hook to the harness.thanks for any help..