Page 153 of 256
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
43 20A circuit
breakerPower windows
44—Not used
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Always disconnect the battery before servicing high current
fuses.
Always replace the cover to the power distribution box before
reconnecting the battery or refilling fluid reservoirs
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
The high-current fuses are coded as follows.
2004 Econoline(eco)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
153
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Page 154 of 256

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1—Powertrain Control Module (PCM)
diode
2—Alternative Fuel Control Module
(AFCM) diode (Natural gas
vehicle only)
3 10A* Daytime Running Lamps (DRL)
module, A/C clutch
4 20A* Natural Gas Vehicle (NGV) tank
solenoids (natural gas vehicle
only)
5 15A* Horn relay
6 2A* Brake pressure switch
7 60A** Ignition switch, Fuse panel,
Accessory delay
8 40A** Trailer battery charge relay
9 50A** Modified vehicle power
10 30A** Electric brake controller
11 60A** 4-Wheel Anti-lock Brake System
(4WABS)
12 60A** I/P fuses 29, 34, 35, 40 and 41
13 20A** Fuel pump relay
14 50A** Auxiliary blower relay
15 30A** Main light switch
16—Not used
17 50A** Blower motor relay (blower
motor)
18 60A** Engine compartment fuses 3, 5,
23 and 26, Instrument panel fuses
26 and 32, Diesel start relay
(Diesel engine only)
19 50A** IDM relay (Diesel engine only)
2004 Econoline(eco)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
154
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Page 155 of 256
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
20 60A** Auxiliary battery relay (gasoline
engine only), PDB fuses 8 and 24
(Diesel engine only)
21 30A** PCM power relay, PDB fuse 27
22 60A** I/P fuses 4, 5, 10, 11, 16, 17, 22
and 23
23 10A* Alternator
24 20A* Trailer tow running lamps and
back-up lamp relays
25—Not used
26 20A* Trailer tow turn signals
27 10A* PCM
28—Not used
A—Fuel pump relay
B—Horn relay
C—Trailer back-up lamps relay
D—Trailer running lamps relay
E—Trailer battery charge relay
F—IDM relay (Diesel only)
G—PCM relay
H—Blower motor relay
J—Accessory delay relay
K—Start relay (Diesel only)
* Mini fuses ** Maxi fuses
2004 Econoline(eco)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
155
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