hi, i new here, i hope i am in the correct forum, i have a mdx 2002 i need to replace the rear oxygen sensor, i have no money, so i have to buy a universal i get a borg warner the colors are

black = signal
gray = ground
white = heater
purple = heater


i have in the car

black
gray
white
white
i am lost withe the color, if someone can help me i will be happy, thanks

 

black = black
gray = gray
white = white
white = purple

i think someone from mdx.org said to temporary twist the wires together & when you start up the vehicle, no check engine lights up means you connected the correct wires together... then you can solder them for a more permanent bond

 

I have an 01, have you had any air cond problems?