Bosch 5 Wire O2 Sensor Wiring Diagram. Disconnect the wire harness from the oxygen sensor; Lay the bosch universal oxygen sensor beside the oe sensor and cut the bosch universal oxygen sensor wiring to the length of the oe sensor, but do not cut to less than 5″ (hex/flange face to end of sensor wire).
Lambda bosch 5 wire wiring diagram oxygen sensor o2. Connect the positive red multimeter lead to the signal wire on the o2 sensor. Wideband lambda wiring club gti.