Page 844 of 916
Cavity Cartridge Fuse Micro Fuse Description
F24 30 Amp Pink – Driver Door Module
F25 30 Amp Pink – Front Wiper
F26 30 Amp Pink – Antilock Brakes / Stability Control Module /
Valves
F28 20 Amp Blue – Trailer Tow Backup Lights – If Equipped
F29 20 Amp Blue – Trailer Tow Parking Lights – If Equipped
F30 30 Amp Pink – Trailer Tow Receptacle
F31 30 Amp Pink (1500
LD Diesel)– Urea Heater Control – If Equipped
F32 – – Spare Fuse
F33 20 Amp Blue – Special Services Vehicle Only
F34 30 Amp Pink – Vehicle System Interface Module #2 – If
Equipped
F35 30 Amp Pink – Sunroof – If Equipped
F36 30 Amp Pink – Rear Defroster – If Equipped
842 MAINTAINING YOUR VEHICLE
Page 847 of 916
Cavity Cartridge Fuse Micro Fuse Description
F69 – 15 Amp Blue Mod SCR 12V (Cummins Diesel) – If Equipped
F70 – 30 Amp Green Fuel Pump Motor
F71 – 25 Amp Clear Amplifier
F72 – 10 Amp Red PCM – If Equipped
F73 – 20 Amp Yellow Fuel Transfer Pump (HD Only) – If Equipped
F74 – 20 Amp Yellow (Gas
Engine & 1500 LD
Diesel)Brake Vacuum Pump Gas/Diesel – If Equipped
F75 – 10 Amp Red Coolant Temperature Valve Actuator
F76 – 10 Amp Red Antilock Brakes / Electronic Stability Control
F77 – 10 Amp Red Drivetrain Control Module/Front Axle Discon-
nect Module
F78 – 10 Amp Red Engine Control Module / Electric Power Steer-
ing
F79 – 15 Amp Blue Clearance Lights
7
MAINTAINING YOUR VEHICLE 845
Page 854 of 916
8. Reach through the access hole of the wheel house
splash shield and lift the slide lock upward far enough
to disengage it from the lock post on the back of the
front lamp unit housing.9. Remove the headlamp assembly. Grasp the outboard
edge of the lamp and pull it straight forward to
disengage the ball stud from the plastic grommet.
10. Disconnect the wiring harness connectors from the
bulb socket.
11. Replace bulb(s) as necessary.
CAUTION!
•Do not contaminate the bulb glass by touching it
with your fingers or by allowing it to contact other
oily surfaces. Shortened bulb life will result.
•Always use the correct bulb size and type for
replacement. An incorrect bulb size or type may
overheat and cause damage to the lamp, the bulb
socket, or the lamp wiring.
Slide Lock
852 MAINTAINING YOUR VEHICLE
Page 855 of 916
NOTE:There are access covers over both headlamp bulb
access holes in the quad front lamp unit housing (if
equipped). These covers MUST be reinstalled after the
bulb has been replaced.
Fog Lamps — If Equipped
1. Reach under and behind the front bumper to access
the back of the front fog lamp housing.
2. Disconnect the fog lamp wiring harness connector
from the fog lamp bulb.
3. Rotate the bulb counterclockwise ¼ turn to unlock the
bulb from the housing.
4. Pull the bulb straight out from the housing.
CAUTION!
Do not contaminate the bulb glass by touching it
with your fingers or by allowing it to contact other
oily surfaces. Shortened bulb life will result.
Rear Tail/Stop, Turn Signal And Backup Lamps
1. Remove the two screws that pass through the bed
sheet metal.
7
MAINTAINING YOUR VEHICLE 853
Page 856 of 916
2. Pull the outboard side of the lamp rearward far
enough to unsnap the two receptacles on the outboard
side of the lamp housing from the two plastic snap
post retainers in the outer box side panel.3. Disconnect the wiring harness connectors from the
bulb socket.
4. Rotate the bulb socket counterclockwise 1/4 turn to
unlock it from the housing.
5. Pull the bulb straight out of the socket.
Tail Lamp Screw LocationsPulling Out The Tail Lamp
854 MAINTAINING YOUR VEHICLE
Page 861 of 916
Rear Lamp Bar ID Marker (Dual Rear Wheels) — If
Equipped
1. Loosen the two screws and the housing to gain access
to the bulb sockets.2. Turn the socket ¼ turn counterclockwise to access the
bulb.
3. Pull the bulb straight out from the socket.
4. Reverse the procedure for installation of the bulbs and
housing.
Screw Locations
7
MAINTAINING YOUR VEHICLE 859
Page 862 of 916
Side Marker Lamps (Dual Rear Wheels) — If
Equipped1. Push rearward on the side marker lamp assembly.
2. Pull the entire assembly from the fender.
3. Turn the socket ¼ turn counterclockwise and remove
from assembly to access the bulb.
4. Pull the bulb straight out from socket.
5. Reverse the procedure for installation of the bulbs and
housing.
Side Marker Lamp Locations
860 MAINTAINING YOUR VEHICLE
Page 895 of 916

Disposal..............................819
Anti-Lock Brake System (ABS)................620
Appearance Care.........................830
Ashtray................................237
Assist, Hill Start..........................622
Auto Down Power Windows..................49
Automatic Door Locks......................41
Automatic Headlights......................173
Automatic High Beams.....................175
Automatic Temperature Control (ATC)..........440
Automatic Transmission.................490, 830
Adding Fluid.......................829, 830
Fluid And Filter Changes..................830
Fluid Change..........................830
Fluid Level Check................826, 827, 828
Fluid Type.........................826, 867
Shifting...........................499, 511
Special Additives.......................827
Axle Fluid...........................825, 867Axle Lubrication..........................825
Back-Up Camera..........................214
Bar, Stabilizer/Sway System..................567
Battery.............................304, 804
Charging System Light...................304
Keyless Transmitter Replacement (RKE)........31
Belts, Seat...............................119
Body Builders Guide........................6
Body Mechanism Lubrication.................807
B-Pillar Location..........................642
Brake Assist System.......................622
Brake Control System, Electronic..............619
Brake Fluid..........................823, 867
Brake System.........................618, 823
Fluid Check...........................823
Master Cylinder........................823
Parking
..............................616
Warning Light.........................300
10
INDEX 893