I've purchased a Bosch premium O2 sensor kit with SmartLink. It comes with a wiring chart but I have 2 wires that are not on it. My original O2 sensor has a red and yellow wire along with gray and black. Which wires are the heater wires and which wires are the signal and ground?
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I can't remember the colours but the sensor wires are the ones with the gold connectors. – Steve Matthews Nov 01 '16 at 13:28
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1See this question: http://mechanics.stackexchange.com/q/15387/675 – Zaid Nov 05 '16 at 07:18
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These 2 links should help you out. These 2 video links give step by step instructions on the wiring of O2 sensors as well as how to install them.
Simple, step-by-step instructions to assemble and install a Bosch Premium Oxygen Sensor with SmartLink ..
O2 or Oxygen Sensor Heater (the 2 grey connectors are the heater +/-)
Old_Fossil
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3Can you bring the information to SE? as it is, this is a link only answer and is ripe for deletion. – Pᴀᴜʟsᴛᴇʀ2 Nov 01 '16 at 09:51
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I think what @Pᴀᴜʟsᴛᴇʀ2 had in mind was a digest of what information the videos contained. – Lynn Crumbling Nov 01 '16 at 16:16
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@LynnCrumbling - Exactly! Thanks for helping me clarify. No need for people to down vote this, IMHO. I'd just like to see the information posted here, is all. Hopefully The Heretic can accommodate. – Pᴀᴜʟsᴛᴇʀ2 Nov 01 '16 at 16:55