linklearner Posted September 21, 2023 Report Share Posted September 21, 2023 HI, I'm wiring in a Link Fury G4X and am a little confused about the Lambda Sensor wiring, the sensor I'm using is A Bosch LSU 4.9 0281004821, just a bit confused about Pin 5 (Green), My sensor doesn't have a Green wire but does have a pin there, do I just wire the MES wire to pin 5 of the sensor? thank you, I know this is probably a real rookie question Quote Link to comment Share on other sites More sharing options...
Vaughan Posted September 21, 2023 Report Share Posted September 21, 2023 Yes you do need to wire up pin 5, there is a calibration resistor inside the O2 sensor plug which Bosch fit when they make the sensor, this calibration resistor is required for the sensor controller to operate correctly. Quote Link to comment Share on other sites More sharing options...
linklearner Posted September 21, 2023 Author Report Share Posted September 21, 2023 cool, thanks Quote Link to comment Share on other sites More sharing options...
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