Page 274 of 338
Downloaded from www.Manualslib.com manuals search engine c
2. On the outboard side of each low-beam headlamp,
you will find the turn signal bulbs. Turn the lamp
assembly clockwise to remove. 3. Twist the bulb out to replace and then reassemble.
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Page 275 of 338
Downloaded from www.Manualslib.com manuals search engine Headiamp
1. With a screwdriver, unscrew the fastener on the
headlamp cover and then remove the cover
to
gain access (see Step 1 under “Front Turn Signal
Lamp”). Note that the inner bulb is for the
low-beam headlamp and the outer bulb is for
the high-beam headlamp.
IF-
P
3. Remove the plug connector from the bulb.
2. Remove the black rubber cap that protects the
bulb area.
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Page 278 of 338

Downloaded from www.Manualslib.com manuals search engine Headlamp Aiming
Your vehicle has the 55 x 135 mini-quad headlamp
system. These headlamps have horizontal and vertical
aim indicators. The aim has been pre-set at the factory
and should need
no further adjustment.
If your vehicle is damaged in an accident and the
headlamp aim seems
to be affected, see your Catera
dealer. Headlamps on damaged vehicles may require
recalibration of the horizontal aim by your Catera dealer.
To check the aim, the vehicle should be properly
prepared as follows:
0 The vehicle must have all four tires on a perfectly
level surfxe.
The vehicle should not have any snow, ice or mud
attached to
it.
0 There should not be any cargo or loading of the
vehicle, except it should have a full tank
of gas and
one person or 160 lbs.
(75 kg) on the driver’s seat.
Tires should be properly inflated.
0 The horizontal indicator should read “0.”
NOTICE:
To make sure your headlamps are aimed
properly, read all the instructions before
beginning. Failure
to follow these instructions
could cause damage
to headlamp parts.
State inspection stations will allow a vertical reading of
plus
0.76 degrees or minus 0.76 degrees from the center
of the bubble.
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Page 279 of 338
Downloaded from www.Manualslib.com manuals search engine It is recommended that the upper limit not exceed plus
0.4 degrees from the center of the bubble. Other drivers
may flash their high beams at you if your adjustment is
much above plus
0.4 degrees.
If you find that the headlamp aiming needs adjustment,
follow these steps: Adjustment screws can be turned with an
E8 Torx@
socket or a
TI 5 Torx screwdriver.
2. Check the vertical aim for each headlamp and adjust
it as necessary. You can see the level through the
headlamp assembly. Turn the vertical aiming screw,
on the outboard side of the headlamp assembly, until
the bubble in the level is centered at
0 (zero). 1. With a screwdriver, unscrew the fastener on the
headlamp cover and then remove the cover to be able
to
see the back of the headlamp assembly.
3. If the horizontal aim needs adjusting, see your
Catera dealer.
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Page 287 of 338

Downloaded from www.Manualslib.com manuals search engine If you need to replace any of your wheels or wheel
bolts, replace them only with new
GM original
equipment parts. This way,
you will be sure to have the
right wheel and wheel bolts for your Catera model.
Using the wrong replacement wheels and wheel
bolts on your vehicle can be dangerous. It could
affect the braking and handling
of your vehicle,
make your tires lose air and make you lose
control. You could have a collision in which you
or others could be injured. Always use the correct
wheel and wheel bolts for replacement.
I NOTICE:
The wrong wheel can also cause problems with
bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper
height, vehicle ground clearance and tire or tire
chain clearance to the body and chassis.
See “Changing a Flat Tire” in the Index for more
information.
Used Replacement Wheels
I
Putting a used wheel on your vehicle is
dangerous. You can’t know how
it’s been used or
how far it’s been driven. It could fail suddenly
and cause an accident.
If you have to replace a
wheel, use a new GM original equipment wheel.
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Page 299 of 338

Downloaded from www.Manualslib.com manuals search engine Headlamp Wiring
The headlamp wiring has an individual fuse which is
powered by a MaxiFuse@. An electrical overload will
cause the lamps to
go on and off, or in some cases to
remain
off. If this happens, have the headlamp wiring
checked right away.
MaxiFuseRelay Center
MaxiFuse is a registered trademark of Little
Fuse Incorporated.
Windshield Wiper Fuses
The windshield wiper motor is powered by a MaxiFuse.
If the motor overheats due to heavy snow, etc., the
wipers will stop until the motor cools.
If the overload
is caused by some electrical problem, be sure to have
it fixed.
Power Windows and Other Power Options
Circuit breakers protect the power windows and other
power accessories, When the current load is too heavy,
the circuit breaker opens and closes, protecting the
circuit until the problem
is fixed or goes away. The MaxiFuseRelay
center is attached to the engine
compartment fuse block on top of the battery. Simply
lift the lid
to open. If you have any questions about the
MaxiFuseRelay Center, consult your Catera dealer.
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Page 301 of 338

Downloaded from www.Manualslib.com manuals search engine 33 HEATER BLOWER I 34 RR WDO DEFOG I 35PWRSEAT I
WIPER 20 19 18 17 16 15 14 13 12 11 10 9 HIDSEAT ABS FUEL
HORN CLAMP15 CLAMP 15 CIG HZD HTD CLAMP 15a MIRROR CRUISE FRONT PUMP AfT
PWF RADIO PWR AUDIO CLAMP30 HTDSEAT FLASHER CUMPIS 1 8 234567
PESL BAH GUARD All RE4R
Fuse
1
2
3
4
5
6
Usage
RH
and LH Front Side Door Window
Regulator Motor,
LH Front Side Door Window
Switch
Stoplamp Switch
Automatic Transmission Switch and Control
Indicator, Power Steering Control Module,
Hazard Warning Switch
RH and LH Rear Seat Cushion Heater Relay
Transmission Control Module
Sound Processor Amplifier
Fuse
7
8
9
10
11
12
13
14
Usage
RH and LH Rear Side Door Window
Regulator Motor
Headlamp Switch, Turn Signal Switch, Horn
Relay, CD Changer, Multifunction Relay
Module
Windshield Wiper Motor and Relay, Windshield
Wiper and Windshield Washer Switch
Body Control Module (BCM), Auxiliary
Water Pump, Heater and A/C Control, Fan
Control Relays
Heater and A/C Control, RH and
LH Outside
Rearview Mirrors, Outside Remote Control
Rearview Mirror Switch
Hazard Warning Switch, Instrument Cluster,
Data Link Connector (DLC), Stoplamp
Switch, Gage Cluster, Heater and A/C Control
Remote Control Outside Rearview Mirror
Switch, A/C Compressor Relay, Test
Connector, A/C Control Switch
Cellular Telephone, Cigarette Lighter, RH and
LH Windshield Washer Nozzle, Driver and Passenger Heated Seat Switch, Heater and A/C
Control, Heated Outside Rearview Mirror and
Rear Window Defogger Relay
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Page 302 of 338

Downloaded from www.Manualslib.com manuals search engine Fuse
15
-
16
17
18
19
20
21
22
23
Usage
Rear Suspension Leveling Air Compressor
Relay, Instrument Cluster, Gage Cluster,
Cruise Control Switch and Module, Headlamp
Switch, Multifunction Relay Module,
Passenger and Driver Heated Seat Relay,
BCM, Sunroof Actuator, Automatic Level
Control Sensor, RH and LH Heated Rear Seat
Switch and Cushion Relay, Driver Seat
Adjuster Memory Module, LH Front Side
Door Window Switch, Inside Rearview Mirror
Transmission Control Module
Horn #I and
#2
Fuel Pump
Electronic Brakemraction Control Module Passenger and Driver Heated Seat Relay
Daytime Running Lamp (DRL) Relay, LH
High-Beam Headlamp Relay
Headlamp Switch and LH Low-Beam
Headlamp
Multifunction Relay Module, LH Park/T.urn
Signal Lamp, LH StopRaillamp, LH Rear Side
Marker Lamp
Fuse
24
25
26
27
28
29 30
31 32
33
34
35
Usage
Lifting Magnet, BCM, Gage Cluster
Sunroof Actuator
Headlamp Switch, RH and LH Front Side
Marker Lamp, Middle Taillamp, RH and LH
Rear License Plate Lamp, Radio, Automatic
Transmission Control Indicator, Heater and
A/C Control
Automatic Level Control Sensor, Rear
Suspension Leveling Air Compressor and Relay
Remote Control Door Lock Receiver, Door
Lock Relay, Rear Compartment Lid Release
Connector (Not Used)
Multifunction Relay Module
RH Park/Turn Signal Lamp and RH
StopRaillamp, RH Rear Side Marker Lamp
Turn Signal Switch and RH Low-Beam
Headlamp
RH High-Beam Headlamp Relay
Blower, A/C Compressor Relay
Heated Outside Rearview Mirror and Rear
Window Defogger Relay Passenger and Driver Seat Adjuster Switches,
Driver Seat Adjuster Memory Module
6-59