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  1. #1
    stitchmeister hot rod trimmer's Avatar
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    lambda sensor experts

    anyway I have an LS1 with a lambda sensor on left bank and on right bank (obviously) my problem is the guy who built it put a genuine AC DELCO sensor on one side with correct plugs but for some reason put a spurious cheapo on the other bank with no plug , I have now purchased another matching AC DELCO as well as a genuine extension lead so I can hard wire the correct female plug so I have an even balance with option to switch them over with ease .

    so my question is ……………...…….. is there a way of testing the output wires and the input wires so it is wired correctly as the colours are all different !!! there are some conversion charts online but they are all different so its not fool proof ( don't want to get it wrong !! )
    any expert help will be much appreciated ...…………… don't want a 30 minute youtube video of someone who thinks they know so give you 29 minutes of how to open the box it came in !!!!!!!!!! I can do that bit reeeeeeaaaaaal fine
    www.customcoachtrimming.co.uk www.trimshop.co.uk hot rod and custom interiors ......ring 01386 834454 for a quote on any simple repair to full build custom interior or email me [email][email protected]
    57 chevy interior https://www.youtube.com/watch?v=2z_qwE-LG_8

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  3. #2
    Nowheresville JackGriffin's Avatar
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    I would have thought the safest way would be to find a (partial) wiring diagram from whatever the sensor would have been originally fitted to? My Jeep wiring diagrams give details of the colours and connections.
    Screw EU

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    stitchmeister hot rod trimmer's Avatar
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    think ive nailed it now thanks
    www.customcoachtrimming.co.uk www.trimshop.co.uk hot rod and custom interiors ......ring 01386 834454 for a quote on any simple repair to full build custom interior or email me [email][email protected]
    57 chevy interior https://www.youtube.com/watch?v=2z_qwE-LG_8

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  6. #4
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    Red and black is the heater, tan is the ground and purple goes to the PCM.
    There is no input wire as the sensor generates a voltage.
    If in doubt you should have a definite resistance between the heater wires, the output to the PCM should be 0 volts when cold, and the ground should show 0, or very very low ohms when connected to the body of the sensor.

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  8. #5
    stitchmeister hot rod trimmer's Avatar
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    www.customcoachtrimming.co.uk www.trimshop.co.uk hot rod and custom interiors ......ring 01386 834454 for a quote on any simple repair to full build custom interior or email me [email][email protected]
    57 chevy interior https://www.youtube.com/watch?v=2z_qwE-LG_8

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