2003 FORD E SERIES auxiliary battery location

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
6 10A Brake shift interlock, Speed control,
DRL module
7 10A Multi-function switch, Turn signals
8 30A Radio capacitor(s), Ignition coil, PCM
diode, PCM power relay, Fuel heater
(Diesel only), Glow plug relay (Diesel
only)
9 30A Wiper control module, Windshield
wiper motor
10 20A Main light switch, Park lamps, License
lamp (external lamps), Multi-function
switch (flash-to-pass)
11 15A Brake pressure switch, Multi-function
switch (hazards), Brake lamp switch,
Brake lamps
12 15A Transmission Range (TR) sensor,
Backup lamps, Auxiliary battery relay
13 15A Blend door actuator, A/C heater,
Function selector switch
14 5A Instrument cluster (air bag and
charge indicator)
15 5A Trailer battery charge relay
16 30A Power seats
17—Not used
18—Not used
19 10A Air bag diagnostic monitor
20 5A Overdrive cancel switch
21 30A Power windows*
22 15A Memory power radio, Rear seat
control unit, Video screen
23 20A Cigar lighter, Data Link Connector
(DLC)
24—Not used
25 10A Left headlamp (low beam)
Roadside Emergencies
143

If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and specificationschapter.
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1—Not used
2—Not used
3—Not used
4 10A* Powertrain Control Module (PCM)
Keep Alive Memory, Instrument
cluster, Voltmeter
5 10A* Right trailer turn signal
6 10A* Left trailer turn signal
7 20A* Clearance lamps
8 60A** I/P fuses 4, 5, 10, 11, 16, 22, 23, 28,
32, 38
9 30A** PCM power relay, Engine
compartment fuse 4
10 60A** Auxiliary battery relay, Engine
compartment fuses 14, 22
AB3
2
146 5715 14 13 12 11 10 9 823 22 21 20 19 18 17 1624 26 25 27
29
CDG F EK J H
28
Roadside Emergencies
145

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
11 30A** IDM relay (Diesel only)
12 60A** Engine compartment fuses 25, 27
13 50A** Blower motor relay (blower motor)
14 30A** Trailer running lamps relay, Trailer
backup lamps relay
15 40A** Main light switch, Daytime Running
Lights (DRL)
16 50A** Auxiliary blower motor relay
17 30A** Fuel pump relay
18 60A** I/P fuses 33, 37, 39, 40, 41
19 60A** 4WABS module
20 20A** Electric brake controller
21 50A** Modified vehicle power
22 40A** Trailer battery charge relay, Modified
vehicles
23 60A** Ignition switch, Fuse panel
24 30A* Natural gas tank valves (NGV only)
25 20A* NGV module (NGV only)
26 10A* A/C clutch (4.2L only)
27 15A* DRL module, Horn relay
28—PCM diode
29—Not used
A—Marker lamps relay
B—Stop lamp relay
C—Trailer backup lamps relay
D—Trailer running lamps relay
E—Trailer battery charge relay
F—IDM relay (Diesel only), A/C clutch
relay (4.2L only)
G—PCM relay
H—Blower motor relay
Roadside Emergencies
146