How do I replace the oxygen sensor on a 1995 Jeep Grand Cherokee?

To replace the oxygen sensor on a 1995 Jeep Grand Cherokee, first, ensure the engine is cool and disconnect the negative battery terminal. Locate the oxygen sensor, typically found on the exhaust pipe or manifold; use a wrench or oxygen sensor socket to unscrew it. Install the new sensor by threading it in and securing it, then reconnect the wiring harness and the battery terminal. Finally, start the engine to check for proper function and any warning lights.