Ford F150 Pickup. Manual - part 679

Fig. 4: Locating Central Junction Box 
Courtesy of FORD MOTOR CO. 

NOTE:

Central junction box is located under driver's side of instrument panel. See Fig. 
4 .

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

Fig. 5: Identifying Central Junction Box Components 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

Fig. 6: Central Junction Box Legend 
Courtesy of FORD MOTOR CO. 

FUSIBLE LINKS 

Fusible links A, B & C are located in right rear of engine compartment. 

AUXILIARY RELAY BOX 1 

NOTE:

Auxiliary relay box 1 is located on battery junction box. See Fig. 1 .

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

Fig. 7: Identifying Auxiliary Relay Box 1 Components 
Courtesy of FORD MOTOR CO. 

AUXILIARY RELAY BOX 2 

NOTE:

Auxiliary relay box 2 is located behind right side of instrument panel. See Fig. 
8 .

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup