Gm 4 Wire O2 Sensor Wiring Diagram. Wire and would go to the e1 on the ecu as it is for engine ground. The two black wires are batt wires and should be hooked up to ign.
Oxygen sensor wiring colour code guide number of wires on sensor man sensor brand 1 2 3 4 function gm delphi i violet violet pink violet violet pink signal earth. Signal black. Gm 4 wire o2 sensor wiring diagram sensor wiring o2 diagram wire ricksfreeautorepairadvice wiring diagram chevy o2 sensor engine gm schematic 1500 wire diagrams o2sensor colors rough fuel positive hawaiidermatology o2 sensor wiring diagram wire gm colors oxygen heated install wires chevy schematic electrical info cable o2sensor î 4î î wireî î o2î î sensorî î wiringî î.
December 23 2020 wiring diagram.
April 9 2020 wiring diagram. The two black wires are batt wires and should be hooked up to ign. These wires serve to heat up the o2 sensor to bring it up to the o2 sensor signal gives an indication of oxygen content sensed by the probe. These instructions will probably be easy to comprehend and apply.