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Wiring Diagram

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Old Sep 7, 2013 | 04:55 PM
  #1  
Dhhdmr's Avatar
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Default Wiring Diagram

Ok here it goes, replacing the O2 sensor on a 2000 jeep cherokee but the male end of the wires were ripped out and had to be replaced. The male end is numbered 1-2-3-4 I need the wiring diagram the colors I have are Black wire
Black with green
Brown with yellow
Green wire

Any help would be greatly appreciated
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Old Sep 7, 2013 | 08:19 PM
  #2  
CCKen's Avatar
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From: Canton, MI
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by Dhhdmr
Ok here it goes, replacing the O2 sensor on a 2000 jeep cherokee but the male end of the wires were ripped out and had to be replaced. The male end is numbered 1-2-3-4 I need the wiring diagram the colors I have are

Pin 2 Black = O2S White (O2S Heater Ground)
Pin 4 Black with green = O2S Black (O2S Signal)
Pin 3 Brown with yellow = O2S Gray (O2S Ground)
Pin 1 Green = O2S White (O2S Heater Power)

Any help would be greatly appreciated
Note: The O2S heater circuit has two White wires. They are not polarity sensitive.

I take it this an upstream O2S, California Emissions.
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