thepest
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posted on 12/1/10 at 02:32 PM |
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4 wire lambda sensor
I got one from a scrappy, 2 white 1 black and 1 grey... how do I wire it up?
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rusty nuts
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posted on 12/1/10 at 02:41 PM |
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2 white are for the heating circuit
grey is earth
black is signal
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thepest
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posted on 12/1/10 at 02:59 PM |
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do both white have to be +12v then?
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matt_claydon
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posted on 12/1/10 at 03:05 PM |
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No, one to earth, one to +12v.
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stevebubs
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posted on 12/1/10 at 04:13 PM |
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Useful Lambda Wiring Info
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thepest
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posted on 12/1/10 at 05:46 PM |
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so its basically 2 circuits, one for the heater and the other for the signal right? hence can I earth one white to the grey? IE same earthing point on
the chassis?
also black goes to (as in my case) Megasquirt right?
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thepest
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posted on 12/1/10 at 05:58 PM |
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This answers my own question:
Link in PDF
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