1999 BUICK PARK AVENUE relay

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6-66
Electrical System
Add-On Electrical Equipment
NOTICE:
Don't add anything electrical to your vehicle
unless you check with your dealer first. Some
electrical equipment can damage your vehicle
and the damage wouldn't be covered by your
warranty. Some add
-on electrical equipment can
keep other components from working as
they should.
Your vehicle has an air bag system. Before attempting to
add anything electrical to your vehicle, see ªServicing
Your Air Bag
-Equipped Vehicleº in the Index.
Maxifuse
/Relay Center
To check the fuses in this underhood fuse center, turn
the knob counterclockwise and remove the cover. There
is a chart inside the cover that explains the features and
controls governed by each fuse and relay.
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6-68
Fuse Usage
SBM Interior Lamps
PDM PDM Module
A/C HVAC Motor, HVAC Mix Motors
IGN SEN EC Mirror, Driver HTS Seat,
Rear Defog Relay, MEM Module,
Cool LVL Sensor,
Pass Heated SeatFuse Usage
ELC HVAC Flat Pk Mtrs, ELC Sensor,
ELC Sensor (R Bec)
ABS
Anti
-Lock Brake System Module
HVAC HVAC Main Con Head,
HVAC Programmer, IPC
CR CONT Stepper Motor CR, Cruise Switch
HUD HUD Switch, HUD Display
CSTR/SBM HVAC Programmer, IPC (Cluster),
SBM (275 to LCM) (1135 to
BTSI SL)
LP PK L Underhood Lamp, L PK/Side-
marker, L Park/Turn Lamp, SBM,
L Tail Signal Lamp, L Tail/Stop
Lamp, L Rear Sidemarker
LP PK R Rt Pk/Sidemarker Lamp, Rt PK/
Turn Lamp, Rt Tail/Sign Lamp,
Rt Tail/Stoplamp,
Rt Rear Sidemarker, Stop/Tail
Lamp, Tail/Signal Lamp,
License Lamp, RFA
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6-70
Position Circuitry
4
Pre
-Oxygen Sensor, Post-Oxygen
Sensor
5
SDM
-R Module
6 PCM, MAF Sensor
7 AC Clutch
8 Brake Switch, Trans Shift, PCM/
EGR Ref, Lin EGR, Cnstr Purge
Sol, Cnstr Purge SW
9 Horn Relay
10 Not Used
11 Not Used
12
Injectors #1
-6
13 Ignition Module
14 Rt High Beam
15 Not Used
16 Lt High Beam
17 Not Used
18 Rt Low BeamPosition Circuitry
19 Lt Low Beam
20 Turn Signal, Stepper Mtr,
Brake Lamp, CHMSL
21 Fuel Pump Relay (Wire in BEC)
22 Ignition Switch
23 In Key Module, PCM
24
To IP BEC
-B/U Lamp
25 Flasher Module
26 Not Used
27 Not Used
28
Relay
--Ignition
29
Relay
--Horn
30
Relay
--Cooling Fan #2
31
Relay
--Starter
32 Not Used
33
Relay
--Cooling Fan S/P
34
Relay
--Cooling Fan #1
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6-71
Position Circuitry
35
Relay
--A/C CLU micro
36
Relay
--Fuel Pump micro
37 BAT #1
38 HVAC Blower Motor
39 Low Speed Fan Relay
40 LCM Module
41 BAT #2
42 IGN
43 Starter
44 High Speed Fan Relay
Removing the Rear Seat Cushion
NOTICE:
A fuse center is located under the rear seat
cushion. To help avoid damage to the fuse center,
be careful when removing or reinstalling the
seat cushion.
To Remove the Rear Seat Cushion
1. Pull up on the front of the cushion to release the
front hooks.
2. Pull the cushion up and out toward the front of
the vehicle.
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6-73
Rear Compartment Fuse Block
Additional fuses are located in the fuse center under the
rear seat.
Position Circuitry
1
Relay
--Heated Backlite to
Rear Grid
2
Relay
--Rap
3
Relay
--Trunk Release to Solenoid
4
Relay
--ELC to CompressorPosition Circuitry
5 Memory Seat Module, Driver Seat
Switch, Driver Lumbar SW
6 ELC Sensor, ELC Compressor
Solenoid
7 Crank
8 Auxiliary Outlet (2 in Cn), Auxil-
iary Outlet (1 in St)
9 PCM/CRU
10 SBM Module
11 Radio/Phone
12 Sunroof
13 Not Used
14 Cell Phone Handset, Cell Phone
Booster, CD Changer
15 Driver Door Module
16 Not Used
17 Amp, Radio Head
18 Driver Heated Seat Module
19 Rear Door Mod (2 LD)
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6-74
Position Circuitry
20 Fuel Door Rel Solenoid, Trunk
Release Relay, DLC
21 Not Used
22 IP Ashtray Cigarette Lighter
23 Not Used
24 Not Used
25 Passenger Heated Seat Module
26 Rt Rear Cig Lighter
27 Lt Rear Cig Lighter
28 RFA, Memory Seat Module,
Driver Seat SwitchReplacement Bulbs
Exterior Bulb Number. . . . . . . . . . . . . . . . . . . . . . . .
Headlamp
High
-Beam 9005. . . . . . . . . . . . . . . . . . . . . . . . . . .
Low
-Beam 9006. . . . . . . . . . . . . . . . . . . . . . . . . . .
Park/Turn, Front 3057. . . . . . . . . . . . . . . . . . . . . . . . .
Back
-Up 3057. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tail/Turn 194. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tail/Stop 3057. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For service information on other bulbs, contact your
dealer's service department.
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9-7
Loading Your Vehicle 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks
Cylinders 7
-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Locking 2-7, 2-90 . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transaxle Lock Check 7-34 . . . . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-32 . . . . . . . . . . . . . . . . . . . . .
Lockout Protection 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Door 2-5, 2-90 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Door Security 2-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk Release 2-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Window 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-32 . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar Controls 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magnasteer
4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Normal Replacement Parts 6-77 . . . . . . . . . . . .
Maintenance Record 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Schedule 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Definition 7-6 . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Intervals 7-6 . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-31 . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-35 . . . . . . . . . . . . . . . .
Recommended Fluids and Lubricants 7-37 . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . .
Short Trip/City Definition 7-5 . . . . . . . . . . . . . . . . . . . . . . .
Short Trip/City Intervals 7-5 . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Underbody 6-63 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-40 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-78 . . . . . . . . . . . . . . . . . . . . . .
Maxifuse
/Relay Center 6-66 . . . . . . . . . . . . . . . . . . . . . . . . . Memory Door Locks 2
-5, 2-90 . . . . . . . . . . . . . . . . . . . . . . . .
Memory Seat and Mirrors 1-3, 2-11, 2-92 . . . . . . . . . . . . . . .
Methanol 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirrors
Convex Outside 2
-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview 2-49 . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview
with Compass 2
-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heated Outside 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Visor Vanity 2-61 . . . . . . . . . . . . . . . . . . . . . . .
Inside Manual Day/Night Rearview 2-49 . . . . . . . . . . . . . .
Parallel Park Assist 2-53, 2-89 . . . . . . . . . . . . . . . . . . . . . .
Power Remote Control 2-53 . . . . . . . . . . . . . . . . . . . . . . . . .
MMT 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Moisture-Sensing Delay Wipers 2-39 . . . . . . . . . . . . . . . . . . .
Mountain Roads 4-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multifunction Lever 2-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net, Convenience 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Neutral, Automatic Transaxle 2-25 . . . . . . . . . . . . . . . . . . . . .
New Vehicle Break-In 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night Vision 4-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Odometer 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Odometer, Trip 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Recovery 4-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil, Engine 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Life Monitor (Index) 2-86, 6-16 . . . . . . . . . . . . . . . . . . . .
Oil Pressure Light 2-80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil, Supercharger 6-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OnStar
System 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opener, Garage Door 2-55, 2-64 . . . . . . . . . . . . . . . . . . . . . . .
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