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ef oxy sensor wires 

 

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 Post subject: ef oxy sensor wires
Posted: Thu Jan 01, 2009 1:48 pm 
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ok im installing a air/fuel ratio gauge all wired up beside the signal wire to my oxy sensor im not sure which wire is the signal wire i have 2 white wires and 1 i tryed google i searched fordmods but with no luck

any help would be great guys and happy new year :D

 

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Posted: Thu Jan 01, 2009 2:07 pm 
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Use a multimeter, find out whick one pumps out 12V+ the other is sense.

iirc they use earth as a neg.

 

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Posted: Thu Jan 01, 2009 2:15 pm 
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so the black is the ground and 1white is 12v the other is the signal do i understand u right

 

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Posted: Fri Jan 02, 2009 3:41 pm 
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yes that is correct. one white one is 12v and one is the signal. use a multi meter to find out which one is the signal

 

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