Upstream sensor need info for wire colors on harness side only not sensor at plug connection truck never had harness side plug just taped wires.
Jun 15, 2023 at 9:36 PM
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STRAILER
✓Experienced Mechanic
55,694 POSTS
Sure, here is the information about the oxygen sensor wiring colors you have requested. Check out the images (below). Please let us know if you need anything else to get the problem fixed.