O2 Sensor Wiring | Jeep Wrangler TJ Forum Aug 15, 2017I need a little help, I was taking the exhaust pipe off the exhaust manifold and pulled the wires out of the wiring harness on the O2 bank1 sensor2 plug that's connected to the engine wiring harness. I need the correct color coding on this connection. The O2 sensor has 2 white-one grey-one black. My jeep is a 2002 tj with the 4.0 6 cyld.O2 | Jeep Wrangler TJ ForumApr 18, 2019Wiring Guide or Diagram | Jeep Wrangler TJ ForumMar 25, 2019The Official Jeep Wrangler TJ Oxygen (O2) Sensor ThreadJan 16, 2018Canadian wiring harness?? | Jeep Wrangler TJ ForumDec 18, 2017See more results Jeep TJ Wiring Harness | eBay TJ Wrangler engine wiring harness in great shape. Fits all 2.5 TJ Wranglers 01-02 with manual transmission. DeadJeep is your first and only stop for rebuilding or repairing your Jeep.