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O2 sensor wire

Old Mar 15, 2003 | 11:52 PM
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O2 sensor wire

Does anyone make an extention for this wire, i installed hooker 2055 headers and the wire is too close for my comfort. how about that heat wrap, does it work well. any other tips thanks
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Old Mar 15, 2003 | 11:56 PM
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From: Flowery Branch, GA
Car: 1985 Iroc-Z
Engine: 1 BA 305 TPI
Transmission: Probuilt 700R4 - 2800 Stall Midwest
Axle/Gears: 3.42
When I installed my SLP headers, the wire was close to the headers. The install kit came with heat wrap for the wires so I used it. I haven't had a problem with the wires burning through. My headers are coated, but I don't think that would make much difference when it came to burning through that wire.
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Old Mar 16, 2003 | 12:54 AM
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
I feel your pain. I have TES, and it's way too close for my comfort too.

My wire is wrapped up around one of my plug wires to keep it from touching the header, although the short wire that came with the sensor has a special "heat sheild".. so I've been told.

Maybe start a O2 sensor extension company ehh???
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Old Mar 16, 2003 | 02:30 AM
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I had the same problem. I traced the wire back into the wiring harness, removed it, and ran it out of the way. No problem anymore.
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Old Mar 17, 2003 | 08:41 AM
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You should be able to get the connectors from Dorman/Mototrmite or Standard Products. Wire and solder can be purchased almost anywhere...
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Old Mar 17, 2003 | 10:35 AM
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FWIW, I recently purchased some GM weather-pak connectors from www.delcity.net and received very good service. Good variety of parts & reasonable prices - (however they have a min order of $25).

For the O2 sensor signal itself, make up an extension using crimped connections. Do Not solder on the O2 signal wire - that is generally a no-no. Reason: Some sensors use air inside the signal wire strands as a reference gas. If you cut that off, you have cut off the sensor signal. BTDT.

HTH
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Old Mar 17, 2003 | 11:48 AM
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Kaiser,

Good call. That's true on some O² sensors, but I was only advocating solder on the extension harness. Nothice that I didn't specify adding length to the O² sensor lead itself, which should never be done. The connector at the end of the sensor lead itself will provide atmospheric air to the sensor if necessary. The remainder of the wiring harness (including additional connectors) is inconsequential for that purpose, and poor connections in the O² wiring are nothing but future trouble.

Just for reference, This typically doesn't apply to 3- and 4-wire O² sensors, since the jacket is usually vented:

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Old Mar 17, 2003 | 08:46 PM
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Vader

Thanks. I knew what you meant, but wasn't sure the original poster would understand the difference.

BTW, I always liked the way this site presented general EGO info:

http://www.parttrackers.com/library/1/24/27/
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