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Old 10-12-2006, 04:06 AM   #1
92preludesi2.3
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Default 1992 honda prelude 2.3 si oxygen sensor wiring diagram

I just got this denso aftermarket o2 sensor and there is no harness on it, so i have to take the old harness and put it on the new sensor. Do you have a pic or can you tell me what the wires are on the original o2 sensor, ground, heater wire ect...

If not can you tell me how i can find out.
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Old 10-12-2006, 06:19 AM   #2
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Default Re: 1992 honda prelude 2.3 si oxygen sensor wiring diagram (92preludesi2.3)

I don't have my O2 sensor in front of me, so this is going off the Helms manual:

Using this diagram, you're looking at the O2's connector:

Click the image to open in full size.

The Helms lists the connector from the wiring harness side, so the coordinating wires on the O2 connector are:

Top right: (heater +)
Top left: (heater - )
Bottom right: (sensor + )
Bottom left: (sensor - )

Hope that helps. Click the image to open in full size.
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02, 1992, 92, 99, civic, diagram, honda, location, o2, oxygen, prelude, removal, sensor, si, wire, wiring

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