Ford F150 Pickup. Instruction - part 678

2003 ELECTRICAL

Fuses & Circuit Breakers - F150 Pickup 

IDENTIFICATION 

BATTERY JUNCTION BOX 

CAUTION: When battery is disconnected, vehicle computer and memory systems 

may lose memory data. Driveability problems may exist until computer 
systems have completed a relearn cycle. See COMPUTER RELEARN 
PROCEDURES article in GENERAL INFORMATION before disconnecting 
battery.

NOTE:

Battery junction box may also be referred to as power distribution box.

NOTE:

Battery junction box is located on driver's side of engine compartment. See Fig. 
1 .

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

Fig. 1: Locating Battery Junction Box & Auxiliary Relay Box 1 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

Fig. 2: Identifying Battery Junction Box Components 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup

  

Fig. 3: Battery Junction Box Legend 
Courtesy of FORD MOTOR CO. 

CENTRAL JUNCTION BOX 

NOTE:

Central junction box may also be referred to as passenger compartment fuse 
panel.

 

2003 Ford Pickup F150 

2003 ELECTRICAL Fuses & Circuit Breakers - F150 Pickup