Page 63 of 128
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
31 10A Body builder left-hand low beam
headlamp feed
32 10A Backup lamp feed
33 10A Reverse lamps
34 10A Trailer tow reverse lamps, Body
builder reverse gear
35 20A Body builder high beam feed,
High beam indicator
36 — Not used
37 — Not used
38 10A Body builder run feed
39 — Not used
40 — Not used
41 10A Instrument illumination
42 — Not used
43 — Not used
44 — Not used
Relay 1 — Left turn signal
Relay 2 — Right turn signal
Relay 3 — Trailer tow left turn signal
Relay 4 — Trailer tow right turn signal
Relay 5 — Not used
Relay 6 — DRL, Parking brake
Relay 7 — DRL on/off
Relay 8 — Not used
Relay 9 — Not used
Relay 10 — Not used
*Vehicles with Hydromax brake assist only
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
2007 Motorhome(mot)
Supplement
USA(fus)
Roadside Emergencies
63
Page 65 of 128
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 compressor clutch
3 20A* A/C clutch relay coil, Mass Air
Flow Sensor (MAFS) with IAT,
Vapor Management Valve, Engine
Heated Exhaust Gas Oxygen
(HEGO) sensor #11, HEGO #21
4 5A* Powertrain Control Module (PCM)
memory
5 20A* PCM power
6 20A* Parklamp feeds, Instrument panel
fuse #41, Warning chime module,
Trailer tow running lamp relay
coil, I/P dimmer module
7 20A* Ignition coils, Radio capacitors
8 10A* Stoplamp switch (logic): Power
brake assist module***, Speed
control module, PCM, Anti-lock
Brake System (ABS) module,
Brake shift interlock actuator
9 10A* Starter main relay coil, Starter
ground relay coil
10 20A* Daytime Running Lamps (DRL)
11 20A* Fuel pump relay coil, PCM power
12 25A* Trailer tow back-up lamps feed, IP
- backup lamp feed
13 30A** Trailer tow electric brake
controller feed
14 60A** IP battery feed (fuse #9, 15, 21)
15 20A Trailer tow park lamps
16 60A** ABS module
2007 Motorhome(mot)
Supplement
USA(fus)
Roadside Emergencies
65
Page 66 of 128
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
17 20A** Horn feed
18 20A** Transmission control indicator
light, Tow/haul switch
19 — Not used
20 40A** PCM relay coil, PCM relay (PDB
fuses#3,5,7,17)
21 20A** Fuel pump motor, Fuel injectors
22 20A** Diagnostic tool connector, Cigar
lighter feed
23 40A** Blower motor feed
24 50A** IP battery feed (fuses #4, 10, 16,
22)
25 40A** Ignition switch feed (IP fuses #1,
5, 7, 11, 13, 14, 17, 19, 23; PDB
fuses #9, 11)
26 40A** Ignition switch feed (IP fuses #5,
11, 17, 23, 26, 27, 32, 38)
27 30A** Multifunction switch (headlamps)
28 30A** Starter solenoid
29 60A** Power brake assist motor***
Relay 1 — A/C clutch
Relay 2 — Fuel pump relay
Relay 3 — Horn relay
Relay 4 — Starter relay
Relay 5 — Blower motor relay
Relay 6 — PCM relay
Diode 1 — Fuel pump diode
Diode 2 — A/C clutch diode
* Mini Fuses ** Maxi Fuses ***Vehicles with Hydromax brake assist
only
2007 Motorhome(mot)
Supplement
USA(fus)
Roadside Emergencies
66