![electrical - Do I have to rely on wire color to correctly wire up an O2 sensor? - Motor Vehicle Maintenance & Repair Stack Exchange electrical - Do I have to rely on wire color to correctly wire up an O2 sensor? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/8KUY5.jpg)
electrical - Do I have to rely on wire color to correctly wire up an O2 sensor? - Motor Vehicle Maintenance & Repair Stack Exchange
![What is the wire colors on the oxygen sensors in my Subaru impreza I have to replace them the agents don't have them I? What is the wire colors on the oxygen sensors in my Subaru impreza I have to replace them the agents don't have them I?](https://ww2.justanswer.com/uploads/baddad1/2011-02-24_141910_capture.png)
What is the wire colors on the oxygen sensors in my Subaru impreza I have to replace them the agents don't have them I?
![There are 4 wires on the oxygen sensor of my Dodge Ram truck. 2 ,1 black, and one with a blue line on it. Which wire There are 4 wires on the oxygen sensor of my Dodge Ram truck. 2 ,1 black, and one with a blue line on it. Which wire](https://www.justanswer.com/uploads/JHoop/2008-06-27_141325_aaa.jpg)