Bosch LSU 4.9 Wideband Lambda Sensor and link harness for connecting a wideband oxygen sensor to the Ecumaster Lotus 2ZZ-GE ECU (DBW)
One end plugging into existing lambda connectors other to LSU4.9 wideband lambda.
There are also 2 wires which need to be inserted in free cavities on OEM connector.
Brown peg connector 4E and 3D
Link loom is supplied with pair of round and rectangle terminals . Please refer to the photo and install correct terminals.