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Discusión y preguntas relacionadas con el curso Fundamentos del cableado de deportes de motor
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Hi Everyone,
I’m sat on the fence as my OEM O2 sensor including O2 heater circuit is using 19 AWG.
I need to extend it and want to do it properly, building an extension cable with the OEM connectors. So when replacement time comes it’ll just be easier.
I only have 20AWG wires to hand though.
IIRC Zac uses 22AWG for sensors and only 18AWG for ignition.
Will I be ok to use 20AWG or should I get some 18AWG ?
Thanks
An oxygen sensor heater circuit can draw up to 8 amps (varies with conditions and the specific sensor), while something like a MAP sensor draws less than 0.1 amps, so the gauge requirements are quite different.
If 2 feet or less, 20 gauge should be alright, if 2-6 feet 18 gauge.
I use 18 gauge for this because the overall length is generally more than 2 feet.
Thanks Mike.
The extension itself will be 1 foot long so I’ll go with 20AWG on this occasion.
Sounds good.
