[V8] O2 sensor circuit, rewire from Ecu?

[Scott Phillips]

The output (pin 52/87) of the fuel pump relay (J17) provides power to
Fuse S5 which provides switched power to J208 (O2 Heater Relay - Relay
Panel 2 Position 13) Output of the relay provides power to the heater
(The ECU provides signal to J208 to open or close based on Engine Temp).
; The other side of the O2 Sensor connects to ground G18 at the engine
block (which is connected to the ECU on pin 14 & 24. 

The Signal from the O2 sensor connects to the ECU at pin 28. 

Wire : from S5 (Black /Red Trace) to Heat side of O2 is in Kostal
Connector T14b (position 15) Pin 12
Wire : from O2 Heater connects to engine ground
Wire : (Signal) Is not designated as being in a Kostal Connector.  


HTH. 

Scott P