MAF Sensor Circuit Wiring Diagram (1999 4.6L, 5.4L V8 Ford F150, F250 Light Duty)

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

• 4.6L V8 Ford F150: 1999.
• 5.4L V8 Ford F150: 1999.
• 4.6L V8 Ford F250 Light Duty: 1999.
• 5.4L V8 Ford F250 Light Duty: 1999.

NOTE: This wiring diagrams includes the following component circuits:

• PCM Power Relay
• Mass Air Flow (MAF) Sensor
• Intake Air Temperature (IAT) Sensor

E-SERIES VANS: The MAF sensor circuit wiring diagram for the 1999 Ford E150, E250 and E350 vans can be found here:

• MAF Sensor Circuit Wiring Diagram (1997-1999 4.6L, 5.4L V8 Ford E150, E250, E350) (at: troubleshootmyvehicle.com)