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IN CASE OF EMERGENCY 447
Replacing Exterior Bulbs
Base Quad: Low Beam Headlamp, High Beam Headlamp,
Front Park And Turn — If Equipped
Low Beam
1. Open the hood.2. Disconnect and isolate the negative battery cable.
3. Reach into the front wheel house ahead of the front
wheel, remove the fastener, and lift the cover over the
access hole in the front of the wheel house splash shield.
Access to the rear of the lamp can be gained through this
access hole.
Front Fog Lamps (Halogen Reflector Headlamp)
H11LL
Front Fog Lamps (LED Headlamps) LED (Serviced At An Authorized Dealer)
Side Indicators (Front And Side View Mirror) LED (Serviced at authorized dealer)
Base Rear Tail/Turn and Stop Lamp 3157K
Premium Rear Tail/Turn and Stop Lamp LED (Serviced At An Authorized Dealer)
Premium Backup Lamp 7440/W21W
Center High Mounted Stop Lamp (CHMSL) 921
Cab Roof Marker Lamps 194NA
Rear Lamp Bar ID Marker Lamp 194
Side Marker Lamps (Dual Rear Wheels) 194
Backup Lamp 921
Rear License Plate Lamp 194
Exterior Bulbs (Continued) (Sheet 2 of 2)
Bulb Number
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448 IN CASE OF EMERGENCY
Splash Shield Access Cover
4. Reach through the access hole of the wheel house splash shield and disengage the bulb access cover by rotating
counterclockwise. Bulb Access Cover
5. Disconnect the internal lamp wiring harness connector from the low beam bulb.
1 — Access Cover
2 — Fastener
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 replace -
ment. An incorrect bulb size or type may overheat and
cause damage to the lamp, the bulb socket, or the lamp
wiring.
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IN CASE OF EMERGENCY 449
(Continued)
6. Rotate the bulb counterclockwise 1/4 turn to unlock thebulb from the lamp.
7. Pull the bulb straight out from the housing.
8. Reverse the procedure for installation of new bulb and covers.
High Beam
1. Open the hood.
2. Disconnect and isolate the negative battery cable.
3. Look under the hood and behind the headlamp to find the high beam bulb access cover.
4. Reach behind the headlamp and disengage the access cover by rotating counterclockwise.
5. Disconnect the internal lamp wiring harness connector from the high beam bulb. 6. Rotate the bulb counterclockwise 1/4 turn to unlock the
bulb from the lamp.
7. Pull the bulb straight out from the housing.
8. Reverse the procedure for installation of new bulb and covers.
Front Park And Turn
1. Open the hood.
2. Disconnect and isolate the negative battery cable.
3. Look under the hood and behind the headlamp to find the park and turn 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.
• Always use the correct bulb size and type for replace -
ment. An incorrect bulb size or type may overheat and
cause damage to the lamp, the bulb socket, or the lamp
wiring. CAUTION!
(Continued)
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450 IN CASE OF EMERGENCY
Park And Turn Socket
4. Reach behind the headlamp and unlock the park and turn socket from the lamp by rotating counterclock-
wise ¼ turn.
5. Pull the bulb straight out from the housing.
6. Separate the bulb from the socket without twisting.
7. Reverse the procedure for installation of new bulb and covers. Side Marker Lamp
1. Open the hood.
2. Disconnect and isolate the negative battery cable.
3. Reach into the front wheel house ahead of the front
wheel, remove the fastener, and lift the cover over the
access hole in the front of the wheel house splash shield.
Access to the rear of the lamp can be gained through this
access hole.
Splash Shield Access Cover
1 — Access Cover
2 — Fastener
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IN CASE OF EMERGENCY 451
4. Reach through the access hole of the wheel house splashshield and disengage the side marker socket by rotating
counterclockwise ¼ turn.
Side Marker Socket
5. Pull the socket and bulb straight out from the housing.
6. Separate the bulb from the socket without twisting.
7. Reverse the procedure for installation of new bulb and covers. 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.
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452 IN CASE OF EMERGENCY
Rear Tail/Stop, Turn Signal And Backup Lamps
1. Remove the two screws and push pins that pass throughthe bed sheet metal.
Tail Lamp Locations 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.
Tail Lamp Removed
3. Disconnect the wiring harness connectors from the bulb socket.
1 — Tail Lamp
2 — Fasteners1 — Tail Lamp Housing
2 — Bulb Socket Locations
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IN CASE OF EMERGENCY 453
4. Rotate the bulb socket counterclockwise 1/4 turn tounlock it from the housing.
5. Pull the bulb straight out of the socket.
6. Reverse the procedure to install the bulb and housing. Center High-Mounted Stoplamp (CHMSL) With Cargo
Lamp
1. Remove the two screws holding the housing/lens to the
body as shown.
CHMSL Mounting Screw Locations
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.
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454 IN CASE OF EMERGENCY
2. Separate the connector holding the housing and wiringharness to the body.
CHMSL Connector Location
3. Turn the desired bulb socket ¼ turn and remove the socket and bulb from housing. 4. Pull the desired bulb straight from the socket.
CHMSL Bulb And Socket
•Outside Bulbs: Cargo Lamps
•Inside Bulb: Center High-Mounted Stop Lamp
5. Reverse the procedure for installation of bulbs and 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.