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No reason you can't solder in your own wires. The two wires of the same color (white, usually) are the pre-heater. Those need to be relatively sturdy, stick with 12 or 14 gauge, similar to whatever was in there. They carry a decent amount of current, but we're not talking a lot of length here.
As to the signal (black) wire, 18 gauge or thicker (16, 14...) is fine. Despite what others may be saying, resistance isn't critical here. Yes, 200,000 ohms or so would be a problem, but the difference between 18 gauge and 14 gauge for a couple of feet of wire is a whopping 0.00772 ohms. The O2 sensor output Is Not resistance - it's a high impedance voltage output. By definition, a high impedance output is relatively insensitive to resistance variation, especially 7 milliohms, which would take very special equipment to even measure.
Good luck!
posted by 140.157....
Posts in this Thread:
- Homemade O2 sensor wires - why not?, SDBWORKS, Thu, 3 Jan 2002 22:15:23
- here's an idea, dave n, Sat, 5 Jan 2002 09:57:19
- Thermocouple effect??, Walt
, Fri, 4 Jan 2002 18:08:36 - Re: Homemade O2 sensor wires - why not?, OVI, Fri, 4 Jan 2002 13:13:18
- Re: Homemade O2 sensor wires - why not?, Ari
, Fri, 4 Jan 2002 09:01:53 <-- Viewing This Message - Stranded Copper with decent insulation >>>, Randy Thatcher 90 SPG, Thu, 3 Jan 2002 22:29:56
- Re: Homemade O2 sensor wires - why not?, GregD, Thu, 3 Jan 2002 22:27:35
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