The high-current fuses are coded as follows.
Fuse/RelayLocation Fuse Amp
Rating Power 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, 38, 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
140
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
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
141
