Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box Description
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
20A*
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
J
—
Horn relay
K
—
Fuel pump relay
* Mini fuses ** Maxi fuses
Relays
Relays are located in the power distribution box and should be replaced
by qualified technicians.
2003 Econoline
(eco)
Owners Guide (post-2002-fmt)
USA English
(fus)
Roadside Emergencies
143