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Old Sep 29, 2005 | 09:03 PM
  #1  
orich's Avatar
orich
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From: **** hole San Jose ca.
O2 Sensor

Any one know which is the heater wire on 90 2.9 3-wire o2 sensor ?
please only if you know No maybers..
thanks
orich
 
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Old Sep 30, 2005 | 06:47 PM
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Ken00
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From: South Jersey
It was the o/bk wire on my 1989 Ranger.
 
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Old Sep 30, 2005 | 07:04 PM
  #3  
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orich
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From: **** hole San Jose ca.
thanks, Here's the deal, I'm using the 3-wire O-2 from my old bronco ll on my 71 f-250.
I've added a Air/ Fuel mixture ga. and it's about 26'' down from the exh manifold. So it need the heater wire hooked up to 12volts. But if done with the wrong wire the O-2 is toasted.
orich
 
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