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  #1  
Old 22-08-2010
Chopper85's Avatar
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Default Need help with O2 sensor PLEASE!!

I'm trying to replace an oxygen sensor on my 05 tj. The previous owner did a dodgy when fixing it last time after he ripped the connector plugs off. I need to know what wires to connect to the O2 sensor. The colours on the car are

Black/Blue
Blue/Yellow
Blue/DarkGreen
Brown/White

Thanks for your help...
(These colours are not in my haynes book either)
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Old 22-08-2010
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I take it this is for bank one, post cat O2 sensor

Heater control wire from the ECU brown/white, heater control wire out to ground black/ light blue
Signal wire from ECU dark blue/yellow, signal return to ECU dark blue/dark green

the grounded heater wire, black/light blue, is common to bank two post cat sensor
the heater control wire for this sensore is brown/grey
signal wire from ECU brown and signal return to ECU dark blue/dark green as sensor one

as both the post cat sensors are the same except for length of pig tail you should be able to work out what connects to what when you spice in a new connection
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Last edited by bonza; 22-08-2010 at 08:23 PM.
  #3  
Old 22-08-2010
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thanks a bunch bonza, will try it out tomorrow
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