Oxygen Sensor Circuit Wiring Diagram (1997-2000 4.2L V6 Ford E150, E250)

APPLIES TO: This circuit wiring diagram applies to the following vehicles:

• 4.2L V6 Ford E150: 1997, 1998, 1999, 2000.
• 4.2L V6 Ford E250: 1997, 1998, 1999, 2000.

NOTE: This wiring diagrams includes the following circuit components:

• PCM Power Rely
• Oxygen Sensor B1S1
• Oxygen Sensor B1S2
• Oxygen Sensor B2S1
• Oxygen Sensor B2S2

The following wiring diagrams for the V8 Ford E-Series vans may come in handy:

• Oxygen Sensor Circuit Wiring Diagram (1997-1999 4.6L V8 Ford E150, E250)
• Oxygen Sensor Circuit Wiring Diagram (1997-1999 5.4L V8 Ford E150, E250, E350)

F-SERIES PICKUPS: The wiring diagram for the 1999 4.2L V6 Ford F150/F250 pickups can be found here:

• Oxygen Sensors Circuit Wiring Diagram (1997, 1998 4.2L V6 Ford F150, F250) (at: easyautodiagnostics.com)
• Oxygen Sensors Circuit Wiring Diagram (1999 4.2L V6 Ford F150, F250) (at: easyautodiagnostics.com)