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o2 sensor wires


zpexploder

New Member
Joined
May 25, 2008
Messages
1
Age
46
Transmission
Automatic
Which of the 4 wires on my 96 explorer 5.0 is the voltage output?
 
These are the color codes for the front O2 sensors in the truck harness:

DS: red/black
(to PCM pin 87)

PS: gray/light blue
(to PCM pin 60)

Bosch sensors usually use a solid black signal wire in the pigtail of the sensor itself. Each black wire should plug to the corresponding harness color code shown above.
 

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