2007 RAM CHASSIS CAB ad blue

Bi-Level
Outside air flows through the outlets located in the
instrument panel and at the floor.
Mix
Outside air flows in equal proportions through the
floor and defroster outlets.
Defrost
Outside air is primarily directed to the windshield
through the defroster outlets located at the base of
the windshield, and the demister outlets located at the
edge of each side of the instrument panel. Blower Control
The rotary knob on the left of the
control panel is the blower control.
Turn the knob clockwise to one of the
four positions to obtain the blower
speed you desire. To turn the blower
off, turn the knob to the far left posi-
tion.
Temperature Control
The rotary knob at the center of the
control panel controls the temperature
of the interior air. You can choose your
degree of comfort by rotating the
knob. The coldest temperature setting
is to the extreme left (blue region) and
the warmest setting is to the extreme
right (red region) of the rotation.232 UNDERSTANDING YOUR INSTRUMENT PANEL

Blower Control
The rotary knob on the left of the
control panel is the blower control.
Turn the knob clockwise to one of the
four positions to obtain the blower
speed you desire. To turn the blower
off, turn the knob to the far left posi-
tion.
Temperature Control
The rotary knob at the center of the
control panel controls the temperature
of the interior air. You can choose your
degree of comfort by rotating the
knob. The coldest temperature setting
is to the extreme left (blue region) and
the warmest setting is to the extreme
right (red region) of the rotation. Circulation
The cab is designed with features to promote outside air
circulation. There are grilles in the cab back panel. These
are air exhausters that provide the means for regular
exchange of cab air.
Side window demisters direct air flow specifically to the
window glass to help prevent interior fogging of the
glass. They are located in the extreme outside upper
edges of the instrument panel. The demisters also pro-
vide extra air ducts for circulation. They are in operation
whenever the Floor, Mix or Defrost modes are in use. To
remove frost from the side windows, it is best to use the
full defrost mode.
NOTE: When you turn off the engine you may hear a
hissing sound from under the hood for a short period of
time. This is a normal condition that occurs if the air
conditioning system has been on. It is not an indication of
a problem with the air conditioning system. UNDERSTANDING YOUR INSTRUMENT PANEL 235
4

Dual Zone Temperature Control
Use this control to regulate the temperature of the air
inside the passenger compartment. This is accomplished
by having separate temperature control slides for both the driver and front passenger. The blue area of the scale
indicates cooler temperatures while the red area indicates
warmer temperatures.
Circulation
The cab is designed with features to promote outside air
circulation. There are grilles in the cab back panel. These
are air exhausters that provide the means for regular
exchange of cab air.
Side window demisters direct air flow specifically to the
window glass to help prevent interior fogging of the
glass. They are located in the extreme outside upper
edges of the instrument panel. The demisters also pro-
vide extra air ducts for circulation. They are in operation
whenever the Floor, Mix or Defrost modes are in use.
NOTE: When you turn off the engine you may hear a
hissing sound from under the hood for a short period of
time. This is a normal condition that occurs if the airDual Zone Temperature Control UNDERSTANDING YOUR INSTRUMENT PANEL 239
4

FUSES (INTEGRATED POWER MODULE)
An integrated Power Module is located in the engine
compartment near the battery. This center contains car-
tridge fuses and mini fuses. A description of each fuse
and component may be stamped on the inside cover
otherwise the cavity number of each fuse is stamped on
the inside cover that corresponds to the following chart. Cavity Cartridge
Fuse Mini
Fuse Description
1 20 Amp
Yellow Power Outlet Console
2 20 Amp
Yellow Cabin Compartment
Node (CCN) Door
Locks/Brake Trans-
mission Shift Interlock
(BTSI)
3––
4 15 Amp
Blue Aisin Transmission
Controls (Diesel Only)
5 20 Amp
Yellow Power Sunroof
6 10 Amp
Red VIST Fan/Wastegate
7 15 Amp
Blue Reverse Lockout Sole-
noid Battery (SRT-10
Only)
Integrated Power Module Location MAINTAINING YOUR VEHICLE 457
7

Cavity Cartridge
Fuse Mini
Fuse Description
8 10 Amp
Red Heated Mirrors
9 30 Amp
Pink Off Road Module
Power
10 5 Amp
Orange Trx-Off Rd Pkg Sen
(Gas Engine Only)
NOTE: Insert a 5 amp fuse in this cavity to enable
the TRX capability.
11 20 Amp
Yellow Ignition Off Draw
(IOD)-Cabin Compart-
ment Node (CCN)/
Radio/Under Hood
Lamp/Wireless Con-
trol Module (WCM)/
Satellite Digital Audio
Receiver (SDARS)/
Hands Free Module
(HFM) Cavity Cartridge
Fuse Mini
Fuse Description
12 30 Amp
Pink Electric Brake
13 25 Amp
Natural Power-Battery
RWAL/ABS Module
Feed
14 15 Amp
Blue Park Lamps Left
15 20 Amp
Yellow Trailer Park Lamps
16 15 Amp
Blue Park Lamps Right
17 – –
18 40 Amp
Green ABS Pump
19 30 Amp
Pink Trailer Tow
20 10 Amp
Red Occupant Restraints
Controller (ORC) 2458 MAINTAINING YOUR VEHICLE

Cavity Cartridge
Fuse Mini
Fuse Description
21 10 Amp
Red Occupant Restraints
Controller (ORC) Pre-
set Carrier
22 2 Amp
Gray IGN Switch Feed
23 10 Amp
Red Engine Control Mod-
ule (ECM)/Wireless
Control Module
(WCM)/HVC
24 20 Amp
Blue Subwoofer Amplifier
(SRT-10 Only)
25 10 Amp
Red Power Mirror
26 20 Amp
Yellow Brake Switch/Center
High Mount Stop
Lamp (CHMSL)
27 40 Amp
Green Power Seats Cavity Cartridge
Fuse Mini
Fuse Description
28 10 Amp
Red Start-NCC/Wireless
Control Module
(WCM)/ABS/RWAL
29 10 Amp
Red Switches/EC Mirror/
Smart Bar
30 15 Amp
Blue Power/Run
31 10 Amp
Red PCM/Transfer Case
Brake
32 10 Amp
Red HVAC/Ajustable
Pedals/Heated Seats
Switch LED/Exhaust
Brake
33 10 Amp
Red Power-IGN Run Misc
34 – – MAINTAINING YOUR VEHICLE 459
7

Cavity Cartridge
Fuse Mini
Fuse Description
35 15 Amp
Blue Cabin Compartment
Node (CCN) Illumina-
tion
36 25 Amp
Natural Audio_Amplifier
37 15 Amp
Blue Spare
38 20 Amp
Yellow Power Outlet IP
39 10 Amp
Red Sunroof/Seatbelt Ten-
sioner
40 20 Amp
Yellow Cigar Lighter
41 – –
42 30 Amp
Pink Diesel PCM (Diesel
Only) CAUTION!• When installing the Integrated Power Module
cover, it is important to ensure the cover is prop-
erly positioned and fully latched. Failure to do so
may allow water to get into the Integrated Power
Module, and possibly result in a electrical system
failure.
• When replacing a blown fuse, it is important to
use only a fuse having the correct amperage
rating. The use of a fuse with a rating other than
indicated may result in a dangerous electrical
system overload. If a properly rated fuse contin-
ues to blow, it indicates a problem in the circuit
that must be corrected.460 MAINTAINING YOUR VEHICLE