Oxygen Sensors Circuit Wiring Diagram (1997, 1998 4.2L V6 Ford F150, F250 Light Duty)

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

• 4.2L V6 Ford F150: 1997, 1998.
• 4.2L V6 Ford F250 Light Duty: 1998.

NOTE: This wiring diagrams includes the following component circuits:

• PCM Power Relay.
• Oxygen Sensor B1S1 (Bank 1 Sensor 1).
• Oxygen Sensor B1S2 (Bank 1 Sensor 2).
• Oxygen Sensor B2S1 (Bank 2 Sensor 1).
• Oxygen Sensor B2S2 (Bank 2 Sensor 2).

The horns wiring diagram for the 1999 4.2L F150 is available here:

• Oxygen Sensors Circuit Wiring Diagram (1999 4.2L V6 Ford F150).

E-Series Vans: The wiring diagram for the 1997-1998 4.2L V6 Ford E150/E250 vans can be found here:

• Oxygen Sensor Circuit Wiring Diagram (1997-2000 4.2L V6 Ford E150, E250) (at: troubleshootmyvehicle.com).