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Location:
Rocklea qld
Registered:
February 2003
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o2 senser wiring
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Mon, 29 August 2005 11:05
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its a 3 wire senser and i think its from a ford. just wondering if anyone knows what each wire is for. it has 1 black and 2 whites. was assuming the black was earth but on the last setup i remember it being the 5 volt power for some reason. can anyone help.
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: o2 senser wiring
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Mon, 29 August 2005 11:13
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3 wire is heated with signal earth thru the body of the sensor.
the two white wires are the heater, and the black wire is the dignal wire to the ECU..
if you hook it up to 5V, you may kill another sensor 
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Location:
Brisbane
Registered:
February 2003
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Re: o2 senser wiring
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Mon, 29 August 2005 11:13
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From <http://www.thegebharts.com/o2sens.html>
FORD
BOSCH
3 WIRE
BLACK - SIGNAL +
case - SIGNAL -
WHITE - HEATER
WHITE - HEATER
heater just needs 12V plus to one wire and earth for the other.
cheers,
Charles.
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