Where to buy single pair wiring to lengthen O2 sensor?

Zelephant · 12-27-2009, 05:01 PM

I'm about to install a new exhaust in my 'Runner, and I need to move the cat, and thus the O2 sensor, back 8". The wire for the O2 won't reach back that far, so I was told to lengthen it with "single pair wire". My question is, where can I find single pair wire? Is there another name for it that I don't know? Is there somthing else I can use to lengthen the O2? Thanks!

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RMA · 12-27-2009, 05:09 PM

get a long piece from a junked car at a junkyard , Maybe !!

Wardamneagle · 12-28-2009, 03:00 AM

There's nothing special about the wire. "single pair" I think just means two insulated wires (either stranded or solid) in one insulated "wire". For example, romex (normal house wire) could probably be called "single pair with a ground".

Just look at the wire size and go to HD or Lowe's or the local parts house and get a two conductor (my O2 sensor is only one conductor, btw) wire of the right size (or larger) and splice it in. I'm guessing it's 16 or 18 gauge.

4Crawler · 12-28-2009, 09:25 AM

Looks like O2 sensor wire extensions are available:
- http://www.google.com/custom?domains...wire+extension

I know on my 1-wire '85, the O2 sensor wire is one conductor with a grounded shield around it. On the 4-wire vehicles, you have 2 additional power wires for the heater.

Zelephant · 12-28-2009, 03:13 PM

Ok thanks guys, that helps a lot! I'll have to see how many wires mine has.

Wardamneagle · 12-29-2009, 12:08 PM

Quote:

Originally Posted by 4Crawler

Looks like O2 sensor wire extensions are available:
- http://www.google.com/custom?domains...wire+extension

I know on my 1-wire '85, the O2 sensor wire is one conductor with a grounded shield around it. On the 4-wire vehicles, you have 2 additional power wires for the heater.

You might be right but my 85 is not that way. When I installed my LC Engineering header and exhaust system the package included an extension "kit" for the O2 sensor. It was basically nothing more than a length of wire and a couple of splice connectors. It was one conductor with normal insulation. There was no grounded shielding.

12-27-2009, 05:09 PM	#2 (permalink)
RMA Contributing Member Join Date: Dec 2008 Location: San Jose ,Ca Posts: 1,713	get a long piece from a junked car at a junkyard , Maybe !! __________________ '89 2wd X-tracab,W55,22re,My DD '94 SR5 4Runner 4x4,A340H, 3VZE,Alpine deck,Wifes DD '88 SR5 4runner ,A341E,1UZ-FE,kenwoodVZ907, XRC8, Homemade Roof rack.33x10.50,15 KM2 1" home made body lift, BJ spacers ,CB, rear disc brakes ,lockright rear, Truetrac front.sky ebrake,homemade IFS truss My swap thread http://www.yotatech.com/f161/1uz-fe-...0-3vze-185324/

12-28-2009, 03:00 AM	#3 (permalink)
Wardamneagle Registered User Join Date: Sep 2007 Location: UK and Gulf Shores, AL Posts: 328	There's nothing special about the wire. "single pair" I think just means two insulated wires (either stranded or solid) in one insulated "wire". For example, romex (normal house wire) could probably be called "single pair with a ground". Just look at the wire size and go to HD or Lowe's or the local parts house and get a two conductor (my O2 sensor is only one conductor, btw) wire of the right size (or larger) and splice it in. I'm guessing it's 16 or 18 gauge. __________________ 1985 4Runner 1997 FZJ 80 2007 HDJ100 - DD

12-28-2009, 09:25 AM	#4 (permalink)
4Crawler Contributing Member Join Date: Jun 2002 Location: SF Bay Area, CA Posts: 8,750	Looks like O2 sensor wire extensions are available: - http://www.google.com/custom?domains...wire+extension I know on my 1-wire '85, the O2 sensor wire is one conductor with a grounded shield around it. On the 4-wire vehicles, you have 2 additional power wires for the heater. __________________ 1985 Toyota 4Runner SR-5, 22REC engine, dual t-cases, 4.88 gears, dual ARBs, 33x10.50 BFGs or 35x12.50 MTRs r.c.brown@ieee.org TruckEditor@tlca.org Project: 4Crawler 4Crawler OffRoad Gettin'Off 4WD Club Last edited by 4Crawler; 12-28-2009 at 09:26 AM.

12-28-2009, 03:13 PM	#5 (permalink)
Zelephant Registered User Join Date: Oct 2008 Location: New Britain, CT Posts: 237	Ok thanks guys, that helps a lot! I'll have to see how many wires mine has. __________________ 1989 4RUNNER, 22re, auto Currently parked; being refurbished -3rd gen SR5 alloys -Kenwood CD deck with Hifonics and Polk Audio speakers -Kenwood TR-7950 HAM radio (needs work) with Midland 2m antenna -KC daylighter knock-offs on chrome push bar

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