Page 563 of 648

To minimize the possibility of catalytic converter dam-
age:
•Do not shut off the engine or interrupt the ignition,
when the transmission is in gear and the vehicle is in
motion.
•Do not try to start the engine by pushing or towing the
vehicle.
•Do not idle the engine with any spark plug wires
disconnected or removed, such as when diagnostic
testing, or for prolonged periods during very rough
idle or malfunctioning operating conditions.
Cooling System
WARNING!
•When working near the radiator cooling fan,
disconnect the fan motor lead or turn the ignition
switch to the LOCK position. The fan is tempera-
ture controlled and can start at any time the igni-
tion switch is in the ON position.
•You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If
you see or hear steam coming from under the hood,
do not open the hood until the radiator has had
time to cool. Never try to open a cooling system
pressure cap when the radiator is hot.
Coolant Checks
Check the engine coolant (antifreeze) protection every 12
months (before the onset of freezing weather, where
7
MAINTAINING YOUR VEHICLE 561
Page 588 of 648
Cavity
Car-
tridge
Fuse
Mini-
FuseDescription
F106 60 Amp
Yellow
– Interior Power Dis-
tribution Center
Rail Run/Accessory
Relays
F139 40 Amp
Green
– Climate Control
System Blower
F140 30 Amp
Pink
– Power Locks
F141 40 Amp
Green
– Anti-Lock Brake
System
F142 40 Amp
Green
– Glow Plugs – If
Equipped
F143 40 Amp
Green
– Exterior Lights 1
Cavity
Car-
tridge
Fuse
Mini-
FuseDescription
F144 40 Amp
Green
– Exterior Lights 2
F145 30 Amp
Pink
– To Body Computer
– Lamp
F146 30 Amp
Pink
– Spare
F147 30 Amp
Pink
– Spare
F148 40 Amp
Green
– Radiator Fan Motor
F149 30 Amp
Pink
– Starter Solenoid
F150 – 25 Amp
Clear
Powertrain Control
Modules
586 MAINTAINING YOUR VEHICLE
Page 590 of 648
Cavity
Car-
tridge
Fuse
Mini-
FuseDescription
F164 – 25 Amp
Clear
Powertrain Auto
Shutdown
F165 – 20 Amp
Yellow
Powertrain Shut-
down
F166 – 20 Amp
Yellow
Spare
F167 – 30 Amp
Green
Powertrain Shut-
down
F168 – 10 Amp
Red
Air Conditioner
Clutch
F169 40 Amp
Green
– Emissions – Partial
Zero Emissions Ve-
hicle Motor
Cavity
Car-
tridge
Fuse
Mini-
FuseDescription
F170 – 15 Amp
Blue
Emissions – Partial
Zero Emissions Ve-
hicle Actuators
F172 – 20 Amp
Yellow
Spare
F173 – 25 Amp
Clear
Anti Lock Brake
Valves
F174 – 20 Amp
Yellow
Siren – If Equipped
F175 – 30 Amp
Green
Spare
F176 – 10 Amp
Red
Powertrain Control
Modules
588 MAINTAINING YOUR VEHICLE
Page 593 of 648
BULB REPLACEMENT
NOTE:Lens fogging can occur under certain atmo-
spheric conditions. This will usually clear as atmospheric
conditions change to allow the condensation to change
back into a vapor. Turning the lamps on will usually
accelerate the clearing process.
Front Low/High Beam Headlamp, Turn
Signal/Park Lamp, And Side Marker Lamp
1. Open the hood.
NOTE:It may be necessary to remove the air cleaner
filter housing and position the Totally Integrated Power
Module (TIPM) aside to replace certain lamps in the left
headlamp housing.
2. Rotate the applicable bulb and connector assembly¼
turn counterclockwise and remove the assembly from
the headlamp housing.3. Disconnect the bulb from the harness connector and
then connect the replacement bulb.
1—FrontTurnSignal/ParkLampBulb2—SideMarkerLampBulb3—LowBeamHeadlampBulb4—HighBeamHeadlampBulb
7
MAINTAINING YOUR VEHICLE 591
Page 594 of 648
CAUTION!
Do not touch the new bulb with your fingers. Oil
contamination will severely shorten bulb life. If the
bulb comes in contact with any oily surface, clean the
bulb with rubbing alcohol.
4. Install the bulb and connector assembly into the
headlamp housing and rotate it¼turn clockwise to
lock it in place.
Front Fog Lamp
NOTE:Turn the steering wheel to the right if replacing
the left front fog lamp or to the left if replacing the right
front fog lamp to allow for easier access to the front of the
wheel well.
1. Remove the fasteners retaining the front lower wheel
well access panel and remove the access panel.
2. Remove the electrical connector from the fog lamp
housing.
3. Squeeze the two tabs on the side of the bulb socket and
pull straight out from the fog lamp.
Front Fog Lamp Electrical Connector
592 MAINTAINING YOUR VEHICLE
Page 595 of 648
CAUTION!
Do not touch the new bulb with your fingers. Oil
contamination will severely shorten bulb life. If the
bulb comes in contact with an oily surface, clean the
bulb with rubbing alcohol.
4. Install the replacement bulb and connector assembly
straight into the fog lamp until it locks into place.
5. Reinstall the front lower wheel well access panel and
fasteners.
Rear Turn Signal And Backup Lamp
The tail lamps are a two-piece design. The tail/stop/rear
turn signal lamps are located in the rear corner body
panels. The tail and backup lamps are located in the
liftgate.
Changing The Rear Turn Signal Lamp
1. Open the liftgate.
2. Remove the two fasteners from the inboard side of the
tail lamp housing.
Inboard Tail Lamp Housing Fasteners
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MAINTAINING YOUR VEHICLE 593
Page 596 of 648
3. Carefully insert a trim stick (plastic flat-blade tool)
between the body panel and the outboard side of the
tail lamp housing with one hand and grasp the flange
on the inboard side of the tail lamp housing with the
other hand. Use the trim stick and hand pressure
together to disengage the tail lamp housing from the
vehicle.
4. Rotate the applicable bulb’s electrical connector¼turn
counterclockwise and remove it from the tail lamp
housing.
5. Remove the bulb from the connector socket and install
the replacement bulb.
6. Install the bulb and connector assembly into the tail
lamp housing and rotate the connector¼turn clock-
wise to lock it in place.
7. Reinstall the tail lamp housing and fasteners.
Changing The Backup Lamp
1. Open the liftgate.
2. Remove the two fasteners retaining the tail lamp
housing to the liftgate from the inboard face of the
liftgate.
Tail Lamp Housing Retainers
594 MAINTAINING YOUR VEHICLE
Page 597 of 648
3. Carefully insert a trim stick (plastic flat-blade tool)
between the tail lamp housing and the liftgate. Use the
trim stick and hand pressure together to disengage the
tail lamp housing from the liftgate.
4. Rotate the applicable bulb’s electrical connector¼turn
counterclockwise and remove it from the housing.
5. Remove the bulb from the connector socket and install
the replacement bulb.
6. Install the bulb and connector assembly into the
housing and rotate the connector¼turn clockwise to
lock it in place.
7. Reinstall the tail lamp housing and fasteners.
Tail Gate Lamp
7
MAINTAINING YOUR VEHICLE 595