Just Lambda, the one stop shop for Lambda Sensors and Oxygen Sensors. Fast and efficient postal service. All our prices include post and packing and VAT. Just Lambda, the one stop shop for Lambda Sensors and Oxygen Sensors. Fast and efficient postal service. All our prices include post and packing and VAT.

Common Wire Colour Variations.

Zirconia Sensors Fitted to 85% of vehicles on the UK roads fitted with a catalytic convertor




One Wire

Colour Connection
Black - Signal
11990

Universal Zirconia Sensor
Output 0.1 to 0.9 Volt



Two Wire

Colour Connection
Black - Signal
White or Grey - Earth
11982

Universal Zirconia Sensor
Output 0.1 to 0.9 Volt



Three Wire

Colour Connection
Black - Signal
White - Heater
White - Heater
11983

Universal Zirconia Sensor
Output 0.1 to 0.9 Volt



Four Wire

Colour Connection
Black - Signal
Grey - Earth
White - Heater
White - Heater
11984

Universal Zirconia Sensor
Output 0.1 to 0.9 Volt

Titania Sensors Fitted to 10% of vehicles on the UK roads fitted with a catalytic convertor




Three Wire

Colour Connection
Black Ref. (out)
Red Ref. (in) and Heater (+)
White Heater (-)
11014T12

Universal Titania Sensor
Output 0 to 1 Volt*



Three Wire

Colour Connection
Black Ref. (out)
Red Ref. (in) and Heater (+)
White Heater (-)
11014T18

Universal Titania Sensor
Output 0 to 1 Volt*



Four Wire

Colour Connection
Black Ref. (out)
Yellow Ref. (in)
Red Heater (+)
White Heater (-)
11022T12

Universal Titania Sensor
Output 0 to 5 Volt



Four Wire

Colour Connection
Black Ref. (out)
Yellow Ref. (in)
Red Heater (+)
White Heater (-)
11022T18

Universal Titania Sensor
Output 0 to 5 Volt

Quick Check List

1. Count the number of wires on the original sensor.
2. Check the colour of the wires
   a. If the sensor has black, grey, purple or white wires, it will be a Zirconia sensor.
   b. If the sensor has one red wire (and or yellow) with the possible exception of some
       Japanese vehicles, it will be a Titania sensor.
3. If it is a Titania sensor then check the original thread size of the sensor.
4. If you have ant doubt or query, please contact us.

* In some applications fitted with three wire Titania oxygen sensors, the output is 0 to 5 volts.

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