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extending 02 sensor

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Old 05-05-2006, 09:10 AM
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Default extending 02 sensor

My seller with 02 extension has backed out, so I am going to make my own 02 extension. My queston is what gauge wire do I need. Some one said if I use the wrong wire it will still set off a code. Any help would be appreciated.
Old 05-05-2006, 09:37 AM
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I extended mine after they burned up a bit. I just eyeballed it, but if you're worried just go a bit thicker and you'll be fine.

Just make sure you're connecting the right wires together. I believe there are 4 all together.
Old 05-05-2006, 09:47 AM
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Thanks, I will be getting the wires today.
Old 05-05-2006, 09:51 AM
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yeah i just did the same thing when my o2 sensor plug burnt up from the contact with the header since the extension was to long, and i just use the rear O2s plug and cut it where i need it and spliced the new plug to the front O2s wiring. problem fixed.
Old 05-05-2006, 10:41 AM
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becareful extend one at once, there are two purple wires, that are easy to mix up. 14 guage should be ok if it is stranded. other than that regular 16 guage is fine.
Old 05-05-2006, 12:00 PM
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Would I be able to go to advanced and get that gauge wire, someone here said they have it at Home Depot
Old 05-05-2006, 01:34 PM
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Originally Posted by ohsofast
Would I be able to go to advanced and get that gauge wire, someone here said they have it at Home Depot
Yes, they usually have a selection of wire at advance. They also have some electrical connector kits with buttsplices you can pick up.
Old 05-05-2006, 01:47 PM
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Thanks everyone I am leaving work now to get my pieces. Tomorrow is the day.
Old 05-05-2006, 01:48 PM
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actually the two wires that are the same color are the brown wires not the purple wire. just look at the plug itself and match it up before you cut it and then remember which is which, plus they are labeled with A,B,C, and D so just remember and dont mix those two wires up.
Old 05-05-2006, 01:51 PM
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Or just buy the rear set of O2's for a C5 - a little more pricey though.




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