Labels:text | screenshot | display | diagram | line OCR: OXYGEN SENSOR INTERNAL PARTS HARNESS PLUG (Do not use a voltmeter or short across the terminals) HIGH TEMPERATURE SILICONE BOOT RED WIRE IS SIGNAL WIRE INSULATING TUBE MOUNTING THREADS (Use special socket to TTT install sensor ) ILLLLL GREEN WIRE IS GROUND WIRE OUTSIDE AIR ENTERS HERE (Do not plug vent with sealant )