The high-current fuses are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
1
—
Powertrain Control Module (PCM)
diode
2
—
Not used
3
10A*
Daytime Running Lamps (DRL)
module, A/C clutch
4
5A*
Heated PCV (4.6L and 6.8L gasoline
engines)
5
15A*
Horn relay
6
2A*
Brake pressure switch
7
60A**
Ignition switch, 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
2006 Econoline
(eco)
Owners Guide (post-2002-fmt)
USA
(fus)
Roadside Emergencies
164