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