Page 800 of 865
Cavity Cartridge Fuse Micro FuseDescription
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 30 Amp Pink Drive Train Control Module – If Equipped
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
F37 30 Amp Pink Cummins Diesel Fuel Heater #2 If Equipped
F38 30 Amp Pink Power Inverter 115V AC– If Equipped
F39 30 Amp Pink Vehicle System Interface Module #1– If Equipped
798 MAINTAINING YOUR VEHICLE
Page 803 of 865
Cavity Cartridge Fuse Micro FuseDescription
F74 20 Amp Yellow
(Gas Engine & 1500 LD Diesel)
10 Amp Red (Cum-
mins Diesel Engine) Brake Vacuum Pump Gas/Diesel – If Equipped
F75 10 Amp RedCoolant Temperature Valve Actuator
F76 10 Amp RedAntilock Brakes/Electronic Stability Control
F77 10 Amp Red Drivetrain Control Module/Front Axle Disconnect
Module
F78 10 Amp Red Engine Control Module / Electric Power Steering
F79 15 Amp Blue Clearance Lights
F80 10 Amp RedUniversal Garage Door Opener / Compass
F81 20 Amp YellowTrailer Tow Right Turn/Stop Lights
F82 10 Amp Red Steering Column Control Module/ Cruise Control
F84 15 Amp BlueSwitch Bank/Instrument Cluster
7
MAINTAINING YOUR VEHICLE 801
Page 809 of 865
8. Reach through the access hole of the wheel housesplash 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
7
MAINTAINING YOUR VEHICLE 807
Page 810 of 865
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 sheetmetal.
Tail Lamp Screw Locations
808 MAINTAINING YOUR VEHICLE
Page 811 of 865
2. Pull the outboard side of the lamp rearward farenough 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.
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.
6. Reverse the procedure to install the bulb and housing.
Pulling Out The Tail Lamp
7
MAINTAINING YOUR VEHICLE 809
Page 815 of 865
Rear Lamp Bar ID Marker (Dual Rear Wheels) — If
Equipped
1. Loosen the two screws and the housing to gain accessto 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 813
Page 816 of 865
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 removefrom 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
814 MAINTAINING YOUR VEHICLE
Page 844 of 865

Adding Engine Coolant (Antifreeze)............773
Adding Fuel ............................ .636
Adjustable Pedals ........................ .183
Airbag.............................. .67, 68
Air Bag Advance Front Air Bag ....................68
Air bag Operation .......................70
Air Bag Warning Light ....................78
Enhanced Accident Response ................78
Event Data Recorder (EDR) .................81
FrontAirBag ........................67, 68
If A Deployment Occurs ...................76
Knee Impact Bolsters .....................71
Maintaining Your Air Bag System ............80
Side Air Bags ...........................72
Air bag Deployment ........................67
Air bag Light ..................... .78, 116, 285
Air bag Maintenance ........................80
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .755 Air Conditioner Maintenance
.................761
Air Conditioning ..................... .395, 400
Air Conditioning Controls ................395, 400
Air Conditioning, Operating Tips ...........414, 416
Air Conditioning Refrigerant ..........761, 762, 763
Air Conditioning System ..........395, 400, 413, 761
Air Pressure, Tires .....................602, 613
Air Suspension .......................... .510
Alarm Light ............................ .285
Alarm, Panic .............................28
Alarm (Security Alarm) ......................21
Alarm System (Security Alarm) ................21
Alterations/Modifications, Vehicle ...............7
Antifreeze (Engine Coolant) ...............772, 815
Disposal ............................. .775
Anti-Lock Brake System (ABS) ................576
Anti-Lock Warning Light .................285, 577
Appearance Care ........................ .786
Ashtray ............................... .229
842 INDEX