os sensore wireing

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May 18, 2009 | 08:36 PM

Juicemonkey

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os sensore wireing

got an lq9 harness have the signal wire pinouts on the ecu connectors, but there are 4 wires for the 02 sensors, I know black is ground one is signal, any one know what the other 2 wires are or have a diagram for it, my plugs on the harness are missing so I have to wire them.. thanks guys

May 18, 2009 | 10:20 PM

kdick91

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The other two (usually the same color, but not always) are the O2 sensor heater. Not needed, but will throw an SES if not hooked up.

May 18, 2009 | 11:13 PM

Juicemonkey

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so the 2 white wires are the heated wires? these just get 12v correct?

May 20, 2009 | 10:02 AM

Juicemonkey

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ok someone has to have used a bosch 02 sensor, all I need to know is what color harness wires go to what color 02 sensor wires on a 99+ ls1 engine. Someone has to have done this. what, you guys dont use 02 sensors?????

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