O2 sensor

[qtmac_mien]

i have a b16 sir2 and i was wondering how many wires does the od2 senor has? i have the sir1 headers and the o2 senor has 1 wires on them but i dont noe how many wires the sir2 o2 senor suppose to have

 

[posol]

SiR has a single, 4-wire O2.

the 1-wire won't work with any obd1 ecu.