bosch 3 wire oxygen sensor color code

hi does anyone kno the color code for the bosch 3 wire oxygen sensor?

there are 2 white ones and one black one \

white #1=???? white #2=???? balk=?????

Reply to
es
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well lessee one is heat, 12vp one is signal, .5vp one is return,

Reply to
wws

all i need to kno is wich one is signal

Reply to
es

gotta vom?

Reply to
wws

one will light up a 12v test light

Reply to
wws

The 2 white wires are the heater. Makes no difference which way around you connect them, just stick +12v to one and ground the other. The black wire is the output voltage/signal.

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's boring but it's something.

Reply to
Jim Vatunz

Whites are heater. One to ground one to 12V power.

Black is signal to ECM.

Reply to
Steve W.

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