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2003 toyota sequia 4wd engine side the harness connector ripped, i need the color code.Engine side the wires are green with red stripe, green with white stripe, black, white I dont know how to rewire cables.

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    Welcome to Motor Vehicle Maintenance & Repair! There aren't any wires left over from the upstream sensor to match them to?
    – Pᴀᴜʟsᴛᴇʀ2 ♦
    Feb 27, 2019 at 9:12

1 Answer 1

Reset to default
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Here is your wiring diagram for all 4 O2 sensors

Green with red stripe is power from fuse box

Green with white stripe is Ground

the other two wires go back to the PCM

enter image description here

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