The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1 5A* Power brake assist module***
2 10A* A/C system
3 20A* Transmission, Vapor Management
Valve (VMV) solenoid, Heated
exhaust gas oxygen (HEGO)
sensors
4 5A* Powertrain Control Module (PCM)
memory
5 15A* PCM power, Fuel pump relay coil,
Fuel injectors, Mass Air Flow
(MAF) sensor with IAT, A/C
system relay coil
6 20A* Parklamp feeds, Instrument panel
fuse #41, Warning chime module,
Trailer tow running lamp relay
coil, I/P dimmer module
7 15A* Starter relay coil, BB neutral
sense
8 10A* Stoplamp switch (logic): Power
brake assist module***, Speed
control module, PCM, Anti-lock
Brake System (ABS) module,
Brake shift interlock actuator
9 5A* Alternator, Charge indicator
10 20A* Daytime Running Lamps (DRL)
11 30A* Ignition coils, Radio capacitors #1
and #2, PCM relay
12 20A* Trailer tow running lamps feed,
Trailer tow back-up lamps feed, IP
- backup lamp feed
13 30A** Trailer tow electric brake
controller feed
2004 Motorhome(mot)
Supplement
USA English(fus)
Roadside emergencies
46