Owner's manual
Page 9 
TO FACTORY HARNESS
FIC
POWER
SIGNAL +
SIGNAL -
HEATER
SENSOR
O21 +
ECU
Figure 15: Current sync O2 sensor connection 
TO FACTORY HARNESS
FIC
POWER
NERNST CELL
SENSOR
O21 +
ECU
Figure 16: Wideband UEGO O2 sensor 
Connect the F/IC power wire as shown below in Figure 17. 
FIC
TO SWITCHED +12V
SW +12V
IGN PWR
ECU
Figure 17: F/IC power connection 










