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What are the wiring colours on the harness?

April 26, 2017Colours harness wiring

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10 Posted

What are the wiring colours on the harness?

1 Answer

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10 Posted

Here are popular wiring colours for Lambda harnesses. You will need this information if fitting a universal type sensor. Please note a couple of things about wiring colours, firstly they often seem counter-intuitive, for example one would normally expect BLACK to be earth, but it is the signal wire, or alternatively one of the heater wires. Also, these wiring colours are on the Lambda Sensor’s side of the harness. When these wires connect with the vehicle, the colours on the vehicle side will usually be completely different.