All Wiring Diagrams for Buick Park Avenue Ultra 1998

AIR CONDITIONING

A/C Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 1998

List of elements for A/C Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 1998:

(eng harn, 6 cm from cruise control module breakout)
(i/p harn, behind right side of dash)
(right kick panel) g203
+5v
A10
A11
A12
Act enable
Act sense
Amb temp input
Ambient temperature sensor (center front of eng compt)
B10
B11
B12
Battery
Blo mot maxi fuse 30a
Blo spd input
Blower control module (behind right side of dash)
Blower ground
Blower motor
Blower spd ctrl
C10
C11
C12
C13
C14
C15
C16
Clock driver
Cstr/ sbm fuse 10a
D10
D11
D12
D13
D14
D15
D16
Data line
Data link connector (left side of dash)
G200 (left kick panel)
Ground
Heater & a/c control
Heater and a/c programmer (behind right side of dash)
Hot at all times
Hot in start or run
Hvac fuse 10a
I/p junction block
Ignition
Inside air temperature sensor (behind left side of dash)
Inside temp input
Interior lights system
Kdd
Kdd c/k
Lamp feed
Left a/c temperature sensor (center front of eng compt)
Left heater temperature sensor (above left sound insulator)
Left sunload temperature sensor (behind left side of dash)
Lt a/c sensor
Lt htr sensor
Lt solar sensor
Pass ctrl gnd
Pass ctrl input
Passenger climate control
Pwm blw spd ctrl
Red
Right a/c temperature sensor (behind right side of dash)
Right heater temperature sensor (above right sound insulator)
Right sunload temperature sensor (top right of dash)
Rt a/c sensor
Rt htr sensor
Rt solar sensor
S208
S213 (i/p harn, 6.5 cm from passenger heater and a/c programmer connector)
S214
Sensor ground
Signal driver
Sound system
Tan
Underhood junction block
Vf input

A/C Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 1998

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List of elements for A/C Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 1998:

(center front of engine)
(engine harness, 15 cm cruise module breakout)
(engine harness, near compressor clutch)
(hvac harness, 29 cm from mode actuator breakout)
(hvac harness, 33.5 cm from mode actuator breakout)
(hvac harness, 50.5 cm from mode actuator breakout)
+5 v
A/c clu fuse 10a
A/c clu relay
A/c compressor clutch
A/c compressor clutch diode
A/c fuse 10a
A/c pressure sensor (near a/c compressor, on hose assembly)
A10
Air inlet actuator (right of blower motor)
Cool fan 1 fuse 30a
Cool fan 2 fuse 30a
D11
Driver's side actuator (right side of heater and a/c programmer)
E10
F11
G105 (near base of under- hood junction block)
G125
High speed cooling fan relay
Hot at all times
Hot in start
I/p junction block
Left cooling fan motor
Low speed cooling fan relay
Mode actuator (left side of heater and a/c programmer)
Nca
Or run
Passenger's side actuator (right side of heater and a/c programmer)
Powertrain control module (left front of engine compt, in air cleaner assembly)
Red
Relay control
Right cooling fan motor
S106
S107
S115
S274
S275
S278
Sensor ground
Serial data
Series/parallel cooling fan relay
Solid state
Underhood jucntion block
Vsb a/c

Compressor Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Compressor Wiring Diagram for Buick Park Avenue Ultra 1998:

(engine harn, near compressor clutch)
(engine harn, near compressor clutch) s107
+5 volts
A/c clu relay
A/c clu fuse 10a
A/c compres- sor clutch
A/c compres- sor clutch diode
A/c pressure sensor (near a/c compressor, on hose assembly)
Class 2 serial data
G125 (center front of engine)
Heater and a/c programmer (behind right side of dash)
Hot in start or run
Nca
Powertrain control module (left front of of eng compt, in air cleaner)
Relay control
S115 (eng harn, 15 cm from cruise module breakout)
Sens grd
Underhood junction block
Vsb a/c

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Buick Park Avenue Ultra 1998

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List of elements for Anti-lock Brake Wiring Diagrams for Buick Park Avenue Ultra 1998:

"anti-lock" ind
(front center of engine)
(left rear corner of engine compt)
Abs fuse 10a
Abs motor fuse 40a
Abs sol fuse 40a
Antilock indicator
B c1
B13
Brake light switch
Brake pressure modulator valve (bpmv)
C10
Computer data lines system
Delivered torque
Delivered torque input
Electronic brake/traction control module (ebtcm) (lower left front of eng compt)
Electronic power steering system
F12
G104
G125
G200 (at left kick panel)
Ground
Hot at all times
Hot in run
Ign feed
Instrument panel cluster
Left front hold valve solenoid
Left front isolation valve solenoid
Left front prime valve solenoid
Left front release valve solenoid
Left front wheel speed sensor
Left rear hold valve solenoid
Left rear release valve solenoid
Left rear wheel speed sensor
Lf whl spd sens (hi)
Lft frt whl spd sens (lo)
Lft rear spd sens (hi)
Lft rear whl spd sens (lo)
Magnasteer (hi)
Magnasteer (lo)
Nca
Powertrain control module (pcm) (near air cleaner assembly)
Pump motor
Pump motor power output
Red
Requested torque
Requested torque output
Right front hold valve solenoid
Right front isolation valve solenoid
Right front prime valve solenoid
Right front release valve solenoid
Right front wheel speed sensor
Right rear hold valve solenoid
Right rear release valve solenoid
Right rear wheel speed sensor
Rt frt whl spd sens (hi)
Rt frt whl spd sens (lo)
Rt rear whl spd sens (hi)
Rt rear whl spd sens (lo)
S299
Serial data line
Stop fuse 10a
Stoplamp/btsi switch (brake pedal support)
Tan
Tcs on/off switch
Tcs valve solenoid control signals
Traction control switch
Underhood junction block
Underhood maxi fuse block
Valve power output
Valve solenoid control signals

ANTI-THEFT

Forced Entry Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Forced Entry Wiring Diagram for Buick Park Avenue Ultra 1998:

(right side of luggage compt, behind wheelhouse)
A12
A15
A16
Ajar
B (+)
B15
B16
C10
Class 2 data line
Computer data lines system
Disarm/unlock
Dome
Door lock actuator
Driver's door module (inside driver's door, above radio speaker)
F11
Fuse 10a
G403
Gnd
Headlights flash
Headlights system
Horn relay control
Horns system
Hot at all times
Hot in run and accy
Hot in run or start
I/p junction block (behind glove box)
Ign
Instrument cluster
Left front door jamb switch (in left front door)
Left front door lock cylinder switch (in left front door)
Left front power door lock actuator (in left front door)
Left front power window switch
Left rear door jamb switch (in left front door)
Left rear power door lock actuator (in left front door)
Lf door ajar in
Lf door open in
Lr door ajar in
Lr door open in
Passenger's door module (inside front passenger's door, above radio speaker)
Pnk
Pnk e5
Pnk f5
Power distribution system
Rear door module (under right side of rear seat)
Rear junction block (below right side of rear seat)
Red
Remote function actuator module (under center of rear package shelf)
Rf door ajar in
Rf door open in
Rfarsen fuse 10a
Right front door jamb switch (in right front door)
Right front door lock actuator (in left front door)
Right front door lock cylinder switch (in right front door)
Right rear door jamb switch (in left front door)
Right rear door lock actuator (in left front door)
Rr door ajar in
Rr door open in
S401
Sbmlcm fuse 10a
Serial data class 2
Simple bus inter- face
Simple bus interface
Tan
Tell tail in
Tell tale out
Underhood junction block (right front of engine compt)
Wsw/rfa

Pass-Key Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Pass-Key Wiring Diagram for Buick Park Avenue Ultra 1998:

B (+)
B11
B12
Body control module (behind glove box)
D12
Data link connector (dlc) (under left side of dash)
Driver's door module (inside driver's door)
G200 (left kick panel)
Gnd
Heater & a/c programmer (near rear of glove box)
Hot at all times
Hot in unlock, run or start
I/p junction block (behind glove box)
Ign
Ignition key
Instrument cluster
Pass-key iii module (on steering column)
Pcm fuse 10a
Pcm/ cru fuse 10a
Pnk
Power distribution system
Powertrain control module (in air cleaner housing)
Reader/ exciter
Rear junction block (below right side of rear seat)
S298
Serial data class 2
Solid state
Transponder
Underhood junction block (right front of engine compartment)

BODY COMPUTER

Body Computer Wiring Diagrams (1 of 2) for Buick Park Avenue Ultra 1998

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List of elements for Body Computer Wiring Diagrams (1 of 2) for Buick Park Avenue Ultra 1998:

(right kick panel)
(ub7 cluster)
A10
A11
A12
Auxiliary lighting input
B10
B10 c3
B11
B12
Battery positive voltage
Body control module (sbm) (behind glove box)
C1 d10
C10
C11
C12
C13
C14
C15
C16
C2 f6
Class 2 serial data line
Computer data lines system
Coolant level switch (right front of engine compt, in right radiator tank)
Courtesy lamp switch
Crank positive voltage
Crk fuse 5a
Cstr/sbm fuse 10a
D10
D11
D12
D13
D14
D15
D16
Defogger system
E5 c3
Exterior lights system
F5 c3
F7 c3
G106 (near rear of air cleaner housing)
G200 (left kick panel)
G203
Ground
Heated seat enable
Heated seat status
Hot at all times
Hot in run, bulb test, or start
Hot in start
Hot in unlock, run or start
I/p junction block (behind glove box)
Ignition positive voltage
Inadvertent power
Instrument cluster system
Interior lights system
Key in ignition input
Lamp control module (lcm) (behind left of dash, left of steering column)
Lights on chime input
Lights on input
Low coolant input
Park lamp input
Pnk
Power distribution system
Primary defog relay
Rear junction block (below right side of rear seat)
S102
S213
Sbm fuse 10a
Sbm fuse 15a
Sbm lcm fuse 10a
Seat belt switch
Seat belt telltale output
Seats system (heated seats)
Shift interlock solenoid control
Shift interlock system
Theatre dim 1
Theatre dim 2
Trunk ajar input
Trunk lid release switch input
Trunk, tailgate, fuel doors system
Ub7 cluster
Underhood junction block (right front of engine compt, near battery)
Warning systems
Washer fluid level switch input

Body Computer Wiring Diagrams (2 of 2) for Buick Park Avenue Ultra 1998

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List of elements for Body Computer Wiring Diagrams (2 of 2) for Buick Park Avenue Ultra 1998:

A10
A11
A12
A13
A14
A15
A16
Anti-theft system
B10
B11
B12
B13
B14
B15
B16
Backup lamps
Battery pos voltage
C3 a12
C4 b1
Chime
Class 2 data lines
Computer data lines system
Deck lid release
Exterior lights system
F10
F11
G200 (left kick panel)
G403 (right side of luggage compt, behind wheelhouse)
Ground
Headlamp alarm
Headlights system
Horn relay
Horns system
Hot at all times
Hot in accy
Hot in run or start
I/p junction block (behind glove box)
I/p junction block (behind glove box)
Ignition key in input
Ignition key warning switch
Ignition pos voltage
Lamp request
Light/dark input
Mem/rfa fuse 10a
Pnk
Power distribution system
Program enable in
Rap relay
Rear compartment lid latch switch (on center of rear compartment, on latch)
Rear junction block (below right side of rear seat)
Remote function actuator (rfa) module (under center of rear package shelf)
Retained access power
Rfarsen fuse 10a
S298
S401
Sbm lcm fuse 10a
Security telltale
Trunk, tailgate, fuel doors system
Underhood junction block (on right front of eng compt, near battery)
Windshield washer fluid level switch (on washer fluid reservoir)

COMPUTER DATA LINES

Computer Data Lines for Buick Park Avenue Ultra 1998

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List of elements for Computer Data Lines for Buick Park Avenue Ultra 1998:

(behind glove box) body control module
(behind glove box) i/p junction block
(behind right side of dash, near rear of glove box) heater & a/c programmer
(under center of rear package shelf) remote function actuator module
A12
A7 c2
B11
B12
B13 program enable input
B14
B15
C10
C4 e&c serial data
Cd changer
Cellular telephone handset
D11
D12
D14
D15
Data link connector (under left side of dash)
Driver door module (in driver's door, above radio speaker)
E&c serial data
E1 e&c serial data
Electronic brake/ traction control module (on left front of engine compt, near base of radiator support)
G200 (left kick panel)
Heater & a/c programmer (behind right side of dash, near rear of glove box)
Hot at all times
Inflatable restraint sensing & diagnostic module (below right front seat, under carpet)
Instrument cluster
Left front power window switch
Memory seat module (on underside of left front seat, on seat adjuster frame)
Pass-key iii control module (behind dash, on steering column)
Passenger door module (inside front passenger's door, above radio speaker)
Powertrain control module (on left front of engine compartment, in air cleaner housing)
Radio
Rear door module (under right side of rear seat)
Rear junction block (below right side of rear seat)
Remote function actuator module (under center of rear package shelf)
S210
S213
Sbi data
Serial data
Trk rel fuse 10a
W/ lumbar seat
W/ memory seat
W/o lumbar seat
W/o memory seat

COOLING FAN

Cooling Fan Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Cooling Fan Wiring Diagram for Buick Park Avenue Ultra 1998:

A10
Block)
Cool fan 1 fuse 30a
Cool fan 2 fuse 30a
D11
E10
F11
High speed cooling fan relay
Hot at all times
Left cooling fan motor
Low speed cooling fan relay
Powertrain control module (left front of engine compt, in air cleaner assembly)
Relay control
Right cooling fan motor
Series/parallel cooling fan relay
Underhood junction block

CRUISE CONTROL

Cruise Control Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Cruise Control Wiring Diagram for Buick Park Avenue Ultra 1998:

All times
B12
C10
C202
Cr cont fuse 10a
Cruise control module (near brake master cylinder)
Cruise inhibit
Cruise inhibit input
Cruise on input
Cruise status
Cruise switch
Disengage input
G117 (right rear of engine)
Ground
Hot at
Hot in run
Hot in run and start
I/p junction block
Ignition
Multifunction lever
Nca
Off
Pnk
Powertrain control module (pcm) (left front of engine compt)
R/a
Rear junction block
Resume/accel input
S/c
S108
Set/coast input
Stop fuse 20a
Stop lamp switch (on brake pedal support)
Tcc/abs switch (on brake pedal support)
Trans/ccp fuse 10a
Underhood junction block
Vehicle speed input
Vehicle speed sensor (vss) (on transaxle)
Vss out
Vss return
Vss signal

DEFOGGERS

Defogger Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Defogger Wiring Diagram for Buick Park Avenue Ultra 1998:

(1997) (1998)
A4 c3
Am grid
Antenna
Antenna input
Antenna power
B3 c4
Battery
Body control module (behind glove box)
Bus interface
C11 c3
C12
C3 f3
Coaxial cable
Computer data lines
D10 c1
D3 c2
Data line
Defog relay ctrl
Defogger request
Defogger switch
Driver's door module (behind driver's door)
E10 c1
E3 c4
Heater & a/c control assembly
Hot at all times
Hot in run or start
Htd bk lite relay
Hvac programmer (behind right side of dash)
I/p junction block (behind glove box)
Ign sen fuse 10a
Left outside mirror
Mirror defog feed
Mirror defog rtn
Nca
Passenger's door module (behind passenger's door)
Radio
Radio antenna module (behind left rear upper sail trim panel)
Radio antenna module coil
Rear defog input
Rear defog/ fm output
Rear defogger/ antenna grid (on rear glass)
Rear junction block
Rear junction block (below right side of rear seat)
Red c3 c4
Right outside mirror
Run maxifuse 40a
Underhood junction block

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Electronic Power Steering Wiring Diagram for Buick Park Avenue Ultra 1998:

(near base of windshield washer reservoir) g102
Abs fuse 10a
Abs solenoid fuse 40a
Electronic brake/ traction control module (ebtcm) (on left front corner of engine compartment, near base of radiator support)
F12
Ground
Hot at all times
Hot in start
I/p junction block (behind glove box)
Ignition
Input hi
Input lo
Red
Sol pwr input
Underhood junction block (on right front of engine compartment, near battery)
Underhood maxi-fuse block (on right front of engine compartment, forward of strut tower)
Variable power steering solenoid (on power steering rack)

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Electronic Suspension Wiring Diagram for Buick Park Avenue Ultra 1998:

(left side of luggage compt, behind wheelhouse) g402
(right side of luggage compt, behind wheelhouse) g403
Automatic
Automatic level control compressor (under right rear of vehicle, right of rear frame rail)
Automatic level control sensor (left front side of rear suspension support assembly)
C11
Compressor control
Compressor motor
D10
D11
D12
Elc circuit breaker 30a
Elc fuse 10a
Exhaust solenoid
Exhaust solenoid control
F11
F12
Ground
Hot at all times
Hot in run
I/p junction block (behind glove box)
Level control relay
Nca
Nca a
Nca c
Power input
Rear junction block (below right side of rear seat)
Reset
S400
S401
Test output

ENGINE PERFORMANCE

3.8L

3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998:

(front of eng, below power steering pump)
(left side of eng) knock sensor (ks) bank 1
(not used)
(vin 1)
(vin k)
1-2 shift sol control
18x ref
18x reference
2-3 shift sol control
3x ref
3x reference
A/t speed sensor high
A/t speed sensor low
A12
Abs/tcc switch (on brake pedal support)
Bank 1 ks input
Bank 2 ks input
Battery
Bypass
C3i fuse 10a
Ckp 18x sig
Ckp sync sig
Cmp input
Cmp output
Cmp signal
Computer data lines system
Cooling fan system
Cruise control
Cruise disable/inhibit in
Cruise module, hud dis- play & inst cluster
Desired torque input
Desired torque output
E12
Ect sensor ground
Egr control ground
Egr pos sensor ground
Electronic brake/ traction control module (left front of eng compt, base of rad supp)
Evap purge valve cont
Evaporative emissions (evap) purge valve (top right side of eng)
F12
Fuel inj 1 control
Fuel inj 2 control
Fuel inj 4 control
Fuel inj 5 control
Fuel inj 6 control
Fuel pump speed control
G125
G125 (left front of eng, under ignition control module)
Ground
Hi speed cool fan cont
Ho2s 1 low
Ho2s 2 low
Hot at all times
Hot in off, run and start
Hot in run & start
Iac coil b high
Iat sensor ground
Ign
Ign control
Ign voltage
Ignfd fuse 10a
Ignition
Ignition control
Ignition control (ic) module (left front of eng, under ign coils)
Knock sensor (ks) bank 2 (right side of eng)
Lo speed cool fan cont
Maf sensor input
Map sensor ground
Mass air flow (maf) sensor (rear of eng, in intake duct)
Pcm fuse 10a
Pcm ground
Pcm/cru fuse 10a c3
Pnk
Pnk a
Powertrain control module (pcm) (in air cleaner housing)
Rear junction block (below right side of rear seat)
Ref low
Reference low
S108
Serial data (class 2)
Signal
Tan
Tcc switch input
Tp sensor ground
Trans range a input
Trans range sw b input
Underhood junction block (near battery)
Vehicle speed sensor (vss) (right rear of eng compt, on transaxle)
Vss high
Vss low
Vss output

3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998:

(front of eng, below power steering pump)
(ign cont module harn, 26 cm from ign cont module)
(top right front of transaxle) park/neutral position (pnp) switch
1-2 shift sol
2-3 shift sol
A no.1
A no.2
A no.3
A/t fluid pressure manual valve position switch
A/t fluid temp sensor
A/t input shaft speed sensor
Automatic transaxle (4t65-e)
Camshaft position sensor (cmp) (right front of eng)
Crankshaft position sensor (ckp) (left front of eng)
Fuel injectors
G125
Hot in run & start
Injr fuse 10a
No.4
No.5
No.6
Pnk
Pressure control solenoid
Red
Red a
Rev
S108
S135
S136 (ign cont module harn, 20 cm from ign cont module)
Starting system
Tan
Tcc pwm sol
Tcc rel
Underhood junction block (near battery)

3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998:

(behind glove box)
(behind right pwm control fuel pump
(below right side of rear seat)
(eng harn, 15 cm from cruise module breakout)
(eng harn, 47 cm from pcm) s105
(front of eng, below power steering pump)
(on evap cannister) evaporative emissions canister vent solenoid
(right side of trunk, on rear of wheelhouse) g403
A/c pressure sensor (near a/c compressor, on hose assembly)
E12
Engine oil pressure sensor (below power steering pump)
Exhaust gas recirculation (egr) valve (top right rear of engine)
F/pmp fuse 20a
Feed fuel pump
Fuel pump
Fuel pump control module (vin 1)
Fuel pump relay
Fuel tank pressure sensor (in fuel tank)
Fuel tank unit
G125
Ground
High fuel pump
Hot at all times
Hot in run & start
I/p junction block
Intake air temperature (iat) sensor (in air intake assmebly)
Low fuel pump
Manifold absolute pressure (map) sensor (top right side of engine)
Pnk
Rear junction block
Rear wheel- house)
Red
S108
S115
S401
Sbm/lcm fuse 10a
Tan
Throttle position (tp) sensor (on throttle body)
Underhood junction block (near battery)
Vin 1
Vin k

3.8L (VIN 1), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998:

(behind glove box) i/p junction block
(below power steer pump)
(left kick panel)
(top left rear of engine)
(vin 1)
5 volt reference a
5 volt reference b
A/c clu fuse 10a
A/c comp relay control
A/c press sensor in
A/c system
A/t fluid temp input
Abs switch input
Abs/tcc switch (brake pedal support)
Boost control solenoid
Boost solenoid control
Charging system
Cruise control
Cruise status
Delivered torque input
Desired torque control
Ect sensor input
Egr pintel position input
Egr valve control
Electronic brake/traction control module (left front eng compt, base of radiator suppport)
Eng oil level sw input
Eng oil press sensor in
Engine coolant temperature (ect) sensor (thermostat housing)
Engine oil level switch (on engine oil pan)
Evap solenoid control
Front heated oxygen sensor (ho2s 1) (on right exhaust manifold)
Fuel inj 3 control
Fuel pump relay control
Fuel tank press sensor
G125
G200
Gen term f monitor
Gen term l control
Ho2s 1 input
Ho2s 2 input
Hot in run & start
Iac coil a high
Iac coil a low
Iac coil b low
Iat sensor input
Idle air control (iac) valve (on top of throttle body)
Ignition
Instrument cluster
Map sensor input
Mil control
Mil ind
Nca
Oxy sen fuse 10a
Pcm fuse 10a
Pnk
Post catalytic converter heated oxygen sensor (ho2s 2) (rear of cat converter)
Power dist system
Powertrain control module (pcm) (in air cleaner housing)
Press sol high control
Press sol low control
Red
S108
S203
Sbm lcm fuse 10a
Sensor ground
Starter enable
Tach output
Tan
Tcc pwm sol control
Tp sensor input
Trans range b input
Trans range c input
Trans range sw c input
Trans range sw d input
Trans range sw p input
Trans tcc release sw in
Underhood junction block (near battery)

3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998:

(front of eng, below power steering pump)
(left side of eng) knock sensor (ks) bank 1
(not used)
(vin 1)
(vin k)
1-2 shift sol control
18x ref
18x reference
2-3 shift sol control
3x ref
3x reference
A/t speed sensor high
A/t speed sensor low
A12
Abs/tcc switch (on brake pedal support)
Bank 1 ks input
Bank 2 ks input
Battery
Bypass
C3i fuse 10a
Ckp 18x sig
Ckp sync sig
Cmp input
Cmp output
Cmp signal
Computer data lines system
Cooling fan system
Cruise control
Cruise disable/inhibit in
Cruise module, hud dis- play & inst cluster
Desired torque input
Desired torque output
E12
Ect sensor ground
Egr control ground
Egr pos sensor ground
Electronic brake/ traction control module (left front of eng compt, base of rad supp)
Evap purge valve cont
Evaporative emissions (evap) purge valve (top right side of eng)
F12
Fuel inj 1 control
Fuel inj 2 control
Fuel inj 4 control
Fuel inj 5 control
Fuel inj 6 control
Fuel pump speed control
G125
G125 (left front of eng, under ignition control module)
Ground
Hi speed cool fan cont
Ho2s 1 low
Ho2s 2 low
Hot at all times
Hot in off, run and start
Hot in run & start
Iac coil b high
Iat sensor ground
Ign
Ign control
Ign voltage
Ignfd fuse 10a
Ignition
Ignition control
Ignition control (ic) module (left front of eng, under ign coils)
Knock sensor (ks) bank 2 (right side of eng)
Lo speed cool fan cont
Maf sensor input
Map sensor ground
Mass air flow (maf) sensor (rear of eng, in intake duct)
Pcm fuse 10a
Pcm ground
Pcm/cru fuse 10a c3
Pnk
Pnk a
Powertrain control module (pcm) (in air cleaner housing)
Rear junction block (below right side of rear seat)
Ref low
Reference low
S108
Serial data (class 2)
Signal
Tan
Tcc switch input
Tp sensor ground
Trans range a input
Trans range sw b input
Underhood junction block (near battery)
Vehicle speed sensor (vss) (right rear of eng compt, on transaxle)
Vss high
Vss low
Vss output

3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998:

(front of eng, below power steering pump)
(ign cont module harn, 26 cm from ign cont module)
(top right front of transaxle) park/neutral position (pnp) switch
1-2 shift sol
2-3 shift sol
A no.1
A no.2
A no.3
A/t fluid pressure manual valve position switch
A/t fluid temp sensor
A/t input shaft speed sensor
Automatic transaxle (4t65-e)
Camshaft position sensor (cmp) (right front of eng)
Crankshaft position sensor (ckp) (left front of eng)
Fuel injectors
G125
Hot in run & start
Injr fuse 10a
No.4
No.5
No.6
Pnk
Pressure control solenoid
Red
Red a
Rev
S108
S135
S136 (ign cont module harn, 20 cm from ign cont module)
Starting system
Tan
Tcc pwm sol
Tcc rel
Underhood junction block (near battery)

3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998:

(behind glove box)
(behind right pwm control fuel pump
(below right side of rear seat)
(eng harn, 15 cm from cruise module breakout)
(eng harn, 47 cm from pcm) s105
(front of eng, below power steering pump)
(on evap cannister) evaporative emissions canister vent solenoid
(right side of trunk, on rear of wheelhouse) g403
A/c pressure sensor (near a/c compressor, on hose assembly)
E12
Engine oil pressure sensor (below power steering pump)
Exhaust gas recirculation (egr) valve (top right rear of engine)
F/pmp fuse 20a
Feed fuel pump
Fuel pump
Fuel pump control module (vin 1)
Fuel pump relay
Fuel tank pressure sensor (in fuel tank)
Fuel tank unit
G125
Ground
High fuel pump
Hot at all times
Hot in run & start
I/p junction block
Intake air temperature (iat) sensor (in air intake assmebly)
Low fuel pump
Manifold absolute pressure (map) sensor (top right side of engine)
Pnk
Rear junction block
Rear wheel- house)
Red
S108
S115
S401
Sbm/lcm fuse 10a
Tan
Throttle position (tp) sensor (on throttle body)
Underhood junction block (near battery)
Vin 1
Vin k

3.8L (VIN K), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998:

(behind glove box) i/p junction block
(below power steer pump)
(left kick panel)
(top left rear of engine)
(vin 1)
5 volt reference a
5 volt reference b
A/c clu fuse 10a
A/c comp relay control
A/c press sensor in
A/c system
A/t fluid temp input
Abs switch input
Abs/tcc switch (brake pedal support)
Boost control solenoid
Boost solenoid control
Charging system
Cruise control
Cruise status
Delivered torque input
Desired torque control
Ect sensor input
Egr pintel position input
Egr valve control
Electronic brake/traction control module (left front eng compt, base of radiator suppport)
Eng oil level sw input
Eng oil press sensor in
Engine coolant temperature (ect) sensor (thermostat housing)
Engine oil level switch (on engine oil pan)
Evap solenoid control
Front heated oxygen sensor (ho2s 1) (on right exhaust manifold)
Fuel inj 3 control
Fuel pump relay control
Fuel tank press sensor
G125
G200
Gen term f monitor
Gen term l control
Ho2s 1 input
Ho2s 2 input
Hot in run & start
Iac coil a high
Iac coil a low
Iac coil b low
Iat sensor input
Idle air control (iac) valve (on top of throttle body)
Ignition
Instrument cluster
Map sensor input
Mil control
Mil ind
Nca
Oxy sen fuse 10a
Pcm fuse 10a
Pnk
Post catalytic converter heated oxygen sensor (ho2s 2) (rear of cat converter)
Power dist system
Powertrain control module (pcm) (in air cleaner housing)
Press sol high control
Press sol low control
Red
S108
S203
Sbm lcm fuse 10a
Sensor ground
Starter enable
Tach output
Tan
Tcc pwm sol control
Tp sensor input
Trans range b input
Trans range c input
Trans range sw c input
Trans range sw d input
Trans range sw p input
Trans tcc release sw in
Underhood junction block (near battery)

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Back-up Lamps Wiring Diagram for Buick Park Avenue Ultra 1998:

B/u lp fuse 10a
G403 (right side of luggage compt, behind wheelhouse)
Hot in run or start
I/p bussed electrical center
Left backup lamp
Mirrors system (electro- chromic mirrors)
Remote function actuator module (under center of rear package shelf)
Reverse relay
Reverse relay control
Right backup lamp
S408 (taillamp harness, 12cm from license lamps brakout)
S409

Exterior Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 1998

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 1998:

(1997)
(1998)
(near rear of air cleaner housing) g106
(taillamp harness, near license lamp harness breakout) s407
A10
A11
A14
B10
B11
B12
Batt (b+)
Body control module (behind glove box)
C12
Center high mount stop lamps
D12
E11
E12
F10
G103 (base of right strut tower)
G113 (left front frame rail)
G200 (left kick panel)
G403 (right side of luggage compt, behind wheel- house)
G403 (right side of luggage compt, behind wheelhouse)
Ground
Haz sig in
Hdlp fuse 30a
Head
Headlamp switch
Hot at all times
Hot in run or start
Hzdt/sg fuse 15a
I/p bussed electrical center
Lamp control module (lcm) (behind left side of dash, right of steering column)
Left & right front cornering lamps
Left tail/ stop lamp
Left tail/ turn lamp
License lamp
Lp pk fuse 25a
Lp pk l fuse 10a
Lp pk r fuse 15a
Lt turn in
Lt turn out
Nca
Off
Park
Pnk
Rear bussed electrical center
Red
Remote function actuator module (under center of rear package shelf)
Right tail/ stop lamp
Right tail/ turn lamp
Rt turn in
Rt turn out
S200 (body harness, left side of steering column)
S201 (body harn, left side of steering column)
S203
S210
S213
S299
S401
S409
Sbm/lcm fuse 10a
Stop fuse 10a
Stop lamp/ btsi switch (brake pedal bracket assy)
T/sig fuse 10a
Tan
Turn signal flasher (behind dash, right of steering column carrier)
Turn signal/ hazard switch
Underhood bussed electrical center

Exterior Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 1998

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 1998:

(near rear of air cleaner housing) g106 (1998)
(rear lamp harness, left rear corner of trunk) s402
(right side of luggage compt, behind wheelhouse) g403
B11
E10
G103 (base of right front strut tower)
G113 (1997) (left front frame rail)
G402 (left side of luggage compt, behind wheelhouse)
I/p bussed electrical center
Instrument cluster
Left front park/turn lamp
Left front side marker
Left rear side marker lamp
Left tail/ stop lamp
Left tail/ turn lamp
Left turn in
Rear bussed electrical center
Right front park/turn lamp
Right front side marker
Right rear side marker lamp
Right tail/ stop lamp
Right tail/ turn lamp
Right turn in
S101
S102
S400
S401
S403 (rear lamp harness, right rear of trunk)
S404
S405
Tan
Underhood bussed electrical center

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Buick Park Avenue Ultra 1998

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Buick Park Avenue Ultra 1998:

(3.8l vin 1) coolant level switch
A/c compressor clutch
A/c compressor clutch diode
Battery
Brake pressure modulator valve
C119
Cooling fan relay
Cruise control module
E10
Electronic brake/ traction control module
Engine oil level switch
Front heated oxygen sensor
Fuel pump relay
G102 (near base of windshield washer reservoir)
G103 (base of right front strut tower)
G106 (near rear of air cleaner housing)
G117 (right rear of engine, below power steering pump)
G119 (under igniton control module bracket)
G125 (lower center front of engine)
Ignition control module
Ignition relay
Left cornering lamp
Left front park/ turn signal lamp
Left high beam headlamp
Left horn
Left low beam headlamp
Mass air flow sensor
Nca
Park/ neutral position switch
Post catalytic converter oxygen sensor
Powertrain control module
Right cooling fan motor
Right cornering lamp
Right front park/ turn signal lamp
Right high beam headlamp
Right horn
Right low beam headlamp
S101 (forward lamp harn, 54 cm from electrical center conn c1)
S102 (forward lamp harn, 6.5 cm from horn breakout)
S106 (eng harn, 6 cm from a/c comp clutch breakout)
S108 (eng harn, 20 cm from ebtcm breakout)
S109 (in right headlamp harness)
S110 (left headlamp harness)
Underhood junction block
Windshield washer pump
Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 3) for Buick Park Avenue Ultra 1998

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Buick Park Avenue Ultra 1998:

(body harn, 6.5 cm from left front door breakout) s203
(left kick panel)
A11 a11
A12
Accessory relay
Ambient light sensor
Ash tray lamp
Auxillary power outlet
B11
Blower control module
Body control module
Brake fluid level switch
C16
D16
Data link connector
Driver door module
From s205 (diagram 3 of 3)
From s206 (diagram 3 of 3)
Front cigar lighter
Fuel door release switch
G200
G203 (right kick panel)
Head up display
Head- lamp dimmer switch
Headlamp switch
Heater/ a/c control
Hvac control conn breakout)
Hvac programmer
I/p cigar lighter
I/p compartment lamp switch
I/p junction block
Ignition 3 relay
Inflatable restraint steering wheel module coil
Key-in ignition switch
Lamp control module
Left heated seat module
Left heated seat switch
Left lumbar switch
Left seat belt switch
Left seat switch
Memory seat module
Nca
Panel dimming module
Pass- key iii module
Passenger climate control
Passenger door module
Rear cigar lighter
Rear compartment lid release switch
Rear door module
Right front seat belt switch
Right front seat switch
Right heated seat module
Right heated seat switch
Right lumbar switch
S207 (body harn, 5 cm from right kick panel g203 breakout)
S208 (body harn, 8 cm from right kick panel g203 breakout)
S217 (knee bolster jumper harn, left of glove box)
S298 (steering column harness)
S299 (steering column harn)
S332 (left front seat harness, below seat)
S333 (right front seat harn, 37 cm from right front seat switch)
Tcc/ abs switch
Traction control switch
Turn signal/ hazard switch
Windshield washer fluid level switch

Ground Distribution Wiring Diagram (3 of 3) for Buick Park Avenue Ultra 1998

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Buick Park Avenue Ultra 1998:

(body harn, 19.5 cm from left front door breakout)
(body harness, 10.5 cm g402 breakout)
(headliner harn) s303
(i/p harn, 5 cm from head up display module breakout) s210
(taillamp harness, left rear corner of luggage compt)
(to g200, diagram
(to g200, diagram 2 of 3)
(w/ bose) radio
(w/ bose) radio amplifier
(w/o bose) radio
2 of 3)
A12
Automatic day/ night mirror
Automatic level control compressor
Automatic level control sensor
B10
B16
Cellular telephone handset
Cellular telephone module
Center high mount stop lamp
Data link connector
Driver door module
Driver's information center switch
E16
Fuel pump control module
Fuel tank unit
G301 (below right front seat)
G402 (left side of luggage compt, behind wheelhouse)
G403 (right side of luggage compt, behind wheel house)
Garage door opener
Head up display switch
Inflatable restraints sensing & diagnostic module
Instrument panel cluster
Left back up lamp
Left front door lock switch
Left front vanity mirror
Left over- head switch
Left rear door cigar lighter
Left rear reading lamp switch
Left rear side marker lamp
Left rear vanity mirror
Left tail/ stop lamp
Left tail/ turn lamp
License lamp
Lighting control module
Memory function switch
Nca
Outside moisture sensor
Rear compt lid latch switch
Rear compt lid release actuator
Rear door module
Rear junction block
Remote function actuator module
Right back up lamp
Right front vanity mirror
Right over- head switch
Right rear door cigar lighter
Right rear reading lamp switch
Right rear side marker lamp
Right rear vanity mirror
Right tail/ signal lamp
Right tail/ stop lamp
Right tail/ turn lamp
S205 (body harn, 13 cm from left front door breakout)
S206
S209 (i/p harn, 4 cm from dic breakout)
S306 (headliner harn, right rear of passenger compt)
S400
S401 (body harn, right "c" pillar)
S404 (left rear corner lamp harness)
S405 (right rear corner lamp harn)
S409
S503 (left front door harn, 29.5 cm from door switch breakout)
Shift interlock solenoid
Sunroof switch
Turn signal flasher
Under- hood lamp

HEADLIGHTS

Headlight Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Headlight Wiring Diagram for Buick Park Avenue Ultra 1998:

(behind glove box)
200k ohms
3.6k ohm
A11
Ambient light input
Ambient light sensor (top center of dash)
B c2
B10
B11
B12
Battery
Body control module
Body control module (under left side of rear package shelf)
Btsi drive
C12
D10
Demand in
Dim enable out
Drl hi-beam
E12
F10
Flash
Flash -to- pass switch
Flash pass
G103 (base of right front strut tower)
G106 (near rear of air cleaner housing)
G200 (left kick panel)
Gnd
Hdhibml fuse 16 10a
Hdhibmr fuse 14 10a
Hdlobml fuse 19 10a
Hdlobmr fuse 18 10a
Hdlp fuse 40 30a
Hdlp sw in
Headlamp dimmer switch (base of steering column)
Headlamp switch
Hi-beam
Hi-beam ind
Hi-beam sw
High beam indicator
High beam switch
Hot at all times
Hot in run or start
I/p junction block
I/p junction block (behind glove box)
Ign (r/s) in
Instrument panel cluster
Interior lights & exterior lights systems
Interior lights system
Lamp control module (right of steering column)
Left high beam headlamp
Left low beam headlamp
Lights on input
Low-beam
Lp pk fuse 24 25a
Lps on out
Max
Min
Nca
Off
P gear in
Park lamp switch
Passenger climate control
Perimeter lighting
Pk lp drive
Pk lp sw in
Pnk
Red
Remote function actuator module (below center of rear shelf)
Right high beam headlamp
Right low beam headlamp
S101
S109
S110
S203
S210
S213
S299
Sbm lcm fuse 2 10a
Shift interlock solenoid
Stoplamp/ btsi switch (brake pedal support)
Tan
Twilight delay switch
Twilight sentinel switch
Twlt delay
Underhood junction block (near battery)

HORN

Horn Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Horn Wiring Diagram for Buick Park Avenue Ultra 1998:

(left front corner of vehicle)
(right front corner of vehicle)
(under right side of rear seat)
C1 b2
F10
G103 (base of right front strut tower)
G106 (near rear of air cleaner housing)
Horn fuse 30a
Horn relay
Horn relay control
Horn slip ring
Horn switch
Hot at all times
Left horn
Rear junction block
Remote function actuator (rfa) module (under center of rear package shelf)
Right horn
Right horn (right front corner of vehicle)
S101
S102
Steering wheel
Underhood junction block (right front of engine compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Instrument Cluster Wiring Diagram for Buick Park Avenue Ultra 1998:

(behind
(on right front of engine compt, near battery)
(right side of luggage compt, behind wheelhouse) g403
A10
A11
A12
A13
A14
A15
A16
A17
Anti-lock brakes system
Anti-lock input
Anti-theft system
B10
B11
B12
B13
B14
B15
B16
B17
Base cluster
Battery
Body control module (behind glove box)
Brake fluid input
Brake fluid level switch (on master cylinder reservoir)
C1 b9
C11
C2 e4
C3 e9
C4 b4
Check engine ind
Class 2 data
Clock output
Computer data lines system
Cstr/sbm fuse 10a
D11
Data output
Dim enable input
Dim input
Driver information center switch
E/m switch
E11
Engine controls system
Engine speed
Engine speed input
English/metric
Exterior lights system
Fuel
Fuel level input
Fuel sensor return
Fuel switch
Fuel tank unit (on top of fuel tank)
G200 (left kick panel)
Gauge
Gauge switch
Glove box)
Ground
Head up display module (behind upper left side of dash)
Head up display switch
Headlamps control system
High beam ind
Hot at all times
Hot in run
Hot in run and start
Hud clock
Hud data
Hud fuse 10a
Hud motor
Hud strobe
Hud sw out
Hvac fuse 10a
I/p junction block (behind glove box)
Ignition
Instrument panel cluster
Interior lights system
Lamp feed
Left turn ind
Odometer
Odometer switch
Park brake sw input
Park brake switch (on top of park brake assembly)
Pcm/cru fuse 10a
Pnk
Powertrain control module (on left front of engine compt, in air cleaner housing)
Rear junction block (below right side of rear seat)
Red
Reset
Reset switch
Right turn ind
S203
S210
S213
S303
Seat belt ind
Security ind
Smb/lcm fuse 10a
Strobe output
Tan
Underhood junction block
Underhood junction block (on right front of engine compt, near battery)
Up-level cluster
Uplevel cluster
Vehicle speed
Vehicle speed input
Vss signal

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 1998

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 1998:

(body harn, aprox 32 cm from 10-pin conn near left rear door grommet)
(left front door harn, approx 4 cm from left door sw breakout) s501
A10 c4
A3 c1
A9 c1
Actuator gnd a c3
B10 c4
Battery voltage
Body control module (behind glove box)
C10
Class 2 serial data line
Class 2 serial data line c1
Computer data lines system
D1 c2
D4 c1
D9 c4
Door open input c
Driver door module (inside driver's door, above radio speaker)
E6 c2
G203 (right kick panel)
G403 (right side of luggage compt, behind wheel- house)
Hot at all times
I/p compartment lamp
I/p compartment lamp switch
I/p junction block (behind glove box)
Inadvertent power d1
Left footwell lamp
Left front door courtesy lamp
Left front door jamb switch
Left rear door courtesy lamp
Left rear door jamb switch
Lr actuator gnd a7
Lr door open input f9
Passenger door module (inside passenger's door, above radio speaker)
Rear compartment courtesy lamp switch
Rear compartment lamp
Rear door module (under right side of rear seat)
Rear junction block (below right side of rear seat)
Rear junction block (under right side of rear seat)
Red
Right footwell lamp
Right front door courtesy lamp
Right front door jamb switch
Right rear door courtesy lamp
Right rear door jamb switch
Rr actuator gnd a3 c1
Rr door open input a5
S217
S310
S401
S600 (right front door trim jumper, approx 61 cm from 8-pin conn in rf door)
Sbm fuse 10a
Simple bus interface
Simple bus interface a12
Simple bus interface c1
Tan
Theatre dim-1 c14 c1
To i/p junction block (diagram 2 of 2)
To s301 (diagram 2 of 2)

Courtesy Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 1998

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 1998:

1998-
Auxiliary lighting ctrl b1
Auxiliary lighting input
Body control module (right side of dash)
C15
Courtesy lamp input
Courtesy lamps switch
D10
D13
From left footwell courtesy lamp (diagram 1 of 2)
From rear junction block (diagram 1 of 2)
G200 (left kick panel)
G403 (right side of luggage compt, behind wheel- house)
Garage door opener
Headlamp switch
I/p junction block (behind glove box) c1
Inadvertent power input
Left front courtesy/ reading lamp
Left front reading lamp switch
Left front vanity mirror
Left rear courtesy/ reading lamp
Left rear reading lamp switch
Left rear vanity mirror
Office work lamp
Remote function actuator module (under center of rear package shelf)
Right front courtesy/ reading lamp
Right front reading lamp switch
Right front vanity mirror
Right rear courtesy/ reading lamp
Right rear reading lamp switch
Right rear vanity mirror
S213
S302 (headliner harn, approx 60 cm from breakout to in-line conn)
S303
S304 (headliner harn, approx 47 cm from breakout to inside rear view mirror)
S308
Theatre dim-2
W/ w24

Instrument Illumination Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Instrument Illumination Wiring Diagram for Buick Park Avenue Ultra 1998:

(2001) instrument panel integration module
(behind left side of dash, right of steering column)
(i/p harn, approx 48 cm from radio breakout) s211
(knee bolster jumper harn, behind center of dash) s216
(right kick panel)
50k ohm
A11
A14
Ashtray lamp
B16
C2 i/p junction block (behind glove box) c3
D14
Dim enable in
Dim enable input
Dim enable output
Dim input
Dimmimg control
Dimming in
Dimming input
Dimming out
Driver information switch
Driver's door module (ddm) (inside driver's door, above radio speaker)
E16
G200 (left kick panel)
G203
G203 (right kick panel)
G403 (right side of luggage compt, behind wheelhouse)
Gnd
Ground
Head-up display (hud) module (behind upper left side of dash)
Head-up display (hud) switch
Headlamp switch
Heater & a/c programmer (1998-00)
Heater and a/c control assembly (6 bulbs)
Hot in start or run
Hud fuse 10a
I/p fuse block (behind glove box)
I/p junction block (behind glove box)
I/p junction block (behind glove box) c3
Inflatable restraint steering wheel module coil
Instrument cluster
Lamp control module (lcm)
Left front door lock switch
Left front heated seat switch
Left front window swtich
Left side steering wheel controls
Nca
Panel dimming module
Park lamp drive
Passenger temperature control
Passenger's door module (pdm) (inside front passenger's door, above radio speaker)
Pnk
Prk lp input
Radio
Right front door lock switch
Right front heated seat switch
Right front window switch
Right side steering wheel controls
S205
S208
S209
S210
S212 (i/p harn, approx 51cm from heater and a/c control breakout)
S213
S217
S298
S303
S502 (left front door harn, approx 23 cm from left door sw breakout)
S503
S602 (right front door harn, in right front door)
Steering column fuse holder
Switch fuse 2a
Vf dim in
Vf dim input
Vf dim out

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Memory Mirrors Wiring Diagram for Buick Park Avenue Ultra 1998:

A left/right motor control
A postion sensors return
Batt(+)
Battery
C1 a12
C1 d10
C2 d8
Ddm fuse 10a
Driver
Driver 1 input
Driver 2 input
Driver's door module (inside driver's door, above radio speaker)
E postion sensors feed
Exit
F up/down motor control
F up/down motor position input
G left/right motor position input
G200 (left kick panel)
G203 (right kick panel)
Gnd
Heating element feed
Heating element return
Hot at all times
I/p junction block
Left front power window switch
Left outside mirror
Left/ right motor
Left/ right motor position sensor
Left/right motor control
Logic gnd
Memory function switch
Mirror heating element
Motor control c4
Passengers door module (inside passenger's door, above radio speaker)
Pdm fuse 10a
Pnk
Rear door module
Rear junction block
Right outside mirror
S203
S205
S207
S208
S503
Simple bus interface
Up/ down motor
Up/ down motor position sensor
Up/down b

Memory Seats Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Memory Seats Wiring Diagram for Buick Park Avenue Ultra 1998:

(in left front seat harn, below left front seat)
(left front seat harn, 15 cm from memory seat module)
(lumbar harn, under left front seat, 50 cm from 4-pin in-line conn)
A10
A11
Battery
C10
C11
C12
C13
C14
C15
C16
Class 2 data
D10
D11
D12
D13
D14
D15
D16
Driver
Driver 1 input
Driver 2 input
Drivers door module (inside driver's door)
Exit
F10
Frnt hgt mtr sens in
Front
Front height sw input
Fwd
Fwd-bk mtr sens in
Fwd/bk sw unput
G200 (left kick panel)
G203 (right kick panel)
Ground
Head restraint
Head restraint sw in
Hot at all times
Hot in run or start
I/p junction block center
Ign sen fuse 10a
Ignition
Left forward back motor
Left forward/ back position sensor
Left front height motor
Left front height position sensor
Left front power window switch
Left front seat lumbar switch
Left front seat switch
Left headrest motor
Left rear height motor
Left rear height position sensor
Left recliner motor
Left recliner position sensor
Lumbar down in
Lumbar in input
Lumbar in/out motor
Lumbar in/out position sensor
Lumbar in/out sens in
Lumbar out in
Lumbar up in
Lumbar up/dn motor
Lumbar up/dn position sensor
Lumbar up/dn sens in
Mem/ rfa fuse 10a
Memory function switch
Memory seat module (on underside of left front seat, on seat adjuster frame)
Out
Pnk b
Position sensors feed
Pwr seat circuit breaker 25a
Rear
Rear height sw input
Rear hgt mtr sens in
Rear junction block
Recline
Recline mtr sens in
Recliner sw input
S332
S334
S335
S336
S337
S338
S339
S503
Simple bus interface
Solid state
Tan
Tan a

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Buick Park Avenue Ultra 1998

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List of elements for Power Distribution Wiring Diagram (1 of 4) for Buick Park Avenue Ultra 1998:

A10 c1
A12
Ashtray cigar lighter
B10
B12
Batt 1 maxifuse 60a
Batt 2 maxifuse 60a
Battery
Blo mot maxifuse 30a
Blower control module
Body control module
Bose amplifier
C/ltr fuse 15a
C10
Cd changer
Cd/ph fuse 10a
Cellular telephone handset
Cellular telephone module
Cool fan 1 maxifuse 30a
Cool fan 1 relay
Cool fan 2 maxifuse 30a
Cool fan 2 relay
Cool fan s/p relay
Cstr/sbm fuse 10a
Data link connector
Ddm fuse 10a
Driver door module
E11
E12
F/pmp fuse 20a
F10
F11
Fuel door release solenoid
Fuel pump relay
G201 (right kick panel)
Generator
Hdlp maxifuse 30a
Htdstl fuse 10a
Hvac programmer
I/p junction block
Ign maxifuse 40a
Instrument cluster
Lamp control module
Left heated seat module
Passenger door module
Pdm fuse 10a
Radio
Rdm fuse 10a
Rdo fuse 10a
Rear door module
Rear junction block
Red
Run/crk fuse 20a
S217
Sbm fuse 15a
Starter solenoid
Thft 1 relay
Thft maxifuse 30a
To ign-1 relay (diagram 3 of 4)
To lp pk fuse (diagram 4 of 4)
To rear junction block pins a7 and b7 (diagram 2 0f 4)
To run fuse (diagram 3 of 4)
To run maxifuse (diagram 2 of 4)
To underhood junction block pin d10 (diagram 3 of 4)
Trk rel fuse 15a
Trunk lid release relay
Underhood junction block

Power Distribution Wiring Diagram (2 of 4) for Buick Park Avenue Ultra 1998

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List of elements for Power Distribution Wiring Diagram (2 of 4) for Buick Park Avenue Ultra 1998:

(left front seat harn, 31.5 cm from left front seat switch)
(left front seat harn, 31.5 cm from left seat switch)
(right front seat harn, 31.5 cm from right seat switch)
A10
A11
A12
A16
Abs- motor maxifuse 40a
Abs- solenoid maxifuse 40a
Automatic level control compressor
Automatic level control sensor
Aux maxifuse 30a
Auxot lt fuse 8 25a
B12
C/ltr l fuse 15a
C/ltr r fuse 15a
C11
Cellular telephone handset
Cigar lighter
D11
Driver door module
E12
Elc circuit breaker 30a
Elc relay
Electronic brake/ traction control module
F10
From battery (diagram 1 0f 4)
From battery 2 maxifuse (diagram 1 0f 4)
G201 (right kick panel)
G402 (left side of luggage compt, behind wheel house)
G403 (right side of luggage compt, behind wheel house)
Htd bk lite relay
Htdst r fuse 10a
I/p junction block
Inflatable restraint steering wheel module coil
Left front seat lumbar switch
Left front seat switch
Left rear door cigar lighter
Mem/rfa fuse 10a
Memory seat module
Nca
Passenger door module
Pwr seat circuit breaker 25a
Radio
Rap circuit breaker 30a
Rap relay
Rdo/ph fuse 5a
Rear cigar lighter
Rear door module
Rear junction block
Red
Remote function actuator module
Right front seat lumbar switch
Right front seat switch
Right heated seat module
Right rear door cigar lighter
Run maxifuse 40a
S202 (body harn, left rear of engine compartment)
S208
S330
S331
S338
S400
S401
Sp300
Steering column fuse holder
Sunroof fuse 20a
Sunroof module
Switch fuse 2a
Under- hood maxi fuse block
Underhood junction block
W/ memory seats
W/o memory seats

Power Distribution Wiring Diagram (3 of 4) for Buick Park Avenue Ultra 1998

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List of elements for Power Distribution Wiring Diagram (3 of 4) for Buick Park Avenue Ultra 1998:

A/c fuse 10a
A11
Abs fuse 10a
Accy
Accy relay
Air inlet actuator
Automatic day/night mirror
Automatic level control sensor
B11
B15
C1 d3
C1 d5
C1 f2
C10
C11
C2 a4
C2 a6
C2 c10
C2 e2
C2 f1
C3 a5
C3 b6
C3 c5
C3 d10
C3 d2
C3 e9
C4 d12
Coolant level switch
Cr cont fuse 10a
Cruise control module
D11
D13
Driver's air mix actuator
Elc fuse 10a
Elc relay
Electronic brake/ traction control module
F12
From ign maxifuse (diagram 1 of 4)
From run fuse (diagram 3 of 3)
From run/crk fuse (diagram 1 of 4)
From underhood junction block (diagram 1 of 4)
G103 (base of right front strut tower)
G201 (right kick panel)
Garage door opener
Heads up display module
Heads up display switch
Heater & a/c control assembly
Htd bk lite relay
Hud fuse 10a
Hvac fuse 10a
Hvac pro- grammer
I/p junction block
Ign sen fuse 10a
Ign-1 relay
Ign-3 relay
Ignition switch
Instrument panel cluster
Left front heated seat control module
Lock
Memory seat module
Mode actuator
Multi- function lever
Nca
Nca nca
Off
Outside moisture sensor
Passenger's air mix actuator
Pnk
Pnk c3
Rear junction block
Red
Remote function actuator module
Right heated seat module
Run
Run fuse 10a
S101
S274 (hvac harn, 35.5 cm from mode actuator)
S305 (headliner harness)
Start
To accy & ign-3 relays (diagram 3 of 3)
To c31 fuse (diagram 4 of 4)
To rear junction block pins c2 an a5 (diagram 4 of 4)
Under- hood junction block
Windshield wiper motor
Windshield wiper/ washer switch
Wsw fuse 30a
Wsw/rfa fuse 10a

Power Distribution Wiring Diagram (4 of 4) for Buick Park Avenue Ultra 1998

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List of elements for Power Distribution Wiring Diagram (4 of 4) for Buick Park Avenue Ultra 1998:

(vin 1) (vin k)
A/c clu fuse 10a
A/c clutch relay
A11
A12
A15
Automatic transaxle
B/u lp fuse 10a
B10
B12
Body control module
C1 c7
C1 d14
C1 e4
C2 a7
C2 a9
C2 e4
C2 f5
C2 f6
C3 a10
C3 c2
C3 e3
C3 e5
C3 e6
C3 f5
C3i fuse 10a
C4 a5
Charge air control valve solenoid
Crk fuse 5a
E11
E12
Evaporative emissions purge valve
F12
From ign-1 relay (diagram 3 of 4)
From ignfd fuse (diagram 4 of 4)
From ignition switch pin a7 and a8 (diagram 3 of 4)
From l underhood jonction block (diagram 1 of 4)
Front heated oxygen sensor
Fuel injector
Horn fuse 30a
Horn relay
Hzdt/sg fuse 15a
I/p junction block
Ignfd fuse 10a
Ignition control module
Inflatible restraint sensing & diagnostic module
Injr fuse 10a
Instrument cluster
Instrument panel cluster
Lamp control module
Lp pk fuse 25a
Mass air flow sensor
Nca
Oxy sen fuse 10a
Pass-key iii module
Pcm fuse 10a
Pcm/cru fuse 10a
Perim lp relay
Pnk
Pnk d
Pnk pnk
Post catalytic converter oxygen sensor
Powertrain control module
Rear junction block
Remote function actuator module
Sbm fuse 10a
Sbm/lcm fuse 10a
Sir fuse 10a
Stop fuse 20a
Stop lamp/ btsi switch
T/sig fuse 10a
Tcc/abs switch
Theft 1 relay
Theft 2 relay
To t/s & sbm/lcm fuse (diagram 4 of 4)
Turn signal/ flasher
Turn signal/ hazard switch
Under- hood bussed electrical center
Under- hood junction block

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Power Door Lock Wiring Diagram for Buick Park Avenue Ultra 1998:

(right kick panel)
A10
A11
A12
B10
B11
Batt out (b+)
Battery (b+)
Buss interface
C10
Computer data lines system
Ddm fuse 10a
Driver door module (ddm) (inside left front door)
G200 (left kick panel)
G203
Ground
Hot at all times
I/p junction block (behind glove box)
Interior lights system
Left front door lock actuator
Left front door lock switch
Left front power window switch
Left rear door lock actuator
Lft lock out
Lft unlock out
Lock
Lock in
Lock out
Logic ground
Passenger door module (pdm) (inside right front door)
Pdm fuse 10a
Pnk
Rap c.b. 30a
Rdm fuse 10a
Rear door module (rdm) (under right rear seat)
Rear junction block (under right rear seat)
Red
Remote function actuator module (under center of rear package shelf)
Right front door lock actuator
Right front door lock switch
Right rear door lock actuator
Rt lock out
Rt unlock out
S202
S203
S205
S207
S208
S300 red
S401
S503
Serial data
Tan
Under- hood maxifuse block
Unlock
Unlock in
Unlock out

POWER MIRRORS

Photochromic Mirror Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Photochromic Mirror Wiring Diagram for Buick Park Avenue Ultra 1998:

Automatic day/night mirror
B/u lp fuse 10a
C11
C11 c3
Driver door module (ddm) (inside driver's door, above radio speaker)
E11
Exterior lights system
G403 (right side of luggage compt, behind wheelhouse)
Ground
Hot at all times
Hot in run
Htd bk lite relay
I/p junction block (behind glove box)
Ign sen fuse 10a
Ignition positive voltage
Input
Left outside power mirror
Nca
Output
Outside ec mirror reflectivity control input
Outside ec mirror reflectivity control output
Perim lp relay
Pnk
Rear junction block (below right of rear seat)
Rear junction block (below right side of rear seat)
Remote function actuator (rfa) module (under center of rear package shelf)
Reverse relay input
Rly ctrl
S305
S306

POWER SEATS

Driver Heated Seat Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Driver Heated Seat Wiring Diagram for Buick Park Avenue Ultra 1998:

(right kick
10a
Bat
Body control module (behind glove box)
C3 a11
C3 e8
Driver heated seat module (under left front seat)
Driver heated seat switch
Driver seat
E11
Enable input
Enable output
F11
G203
Ground
Heat sw input
Hi led control
Hot at all times
Hot in run or start
Htdst l fuse
I/p fuse block
I/p junction block
Ign
Ign sen fuse
Interior lights system
Left seat back heater
Left seat cushion heater
Lo led control
Nca
Nca high therm input
Nca lo therm input
Nca seat back control
Nca seat cush control nca seat cush control
Panel)
Pnk
Rear fuse block
Right heated seat module
S208
S217
S332
Seat status input
Status output
Thermistor

Lumbar Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Lumbar Wiring Diagram for Buick Park Avenue Ultra 1998:

F10
G203 (right kick panel)
Hot at all times
Left front seat lumbar switch
Left lumbar in/out motor
Left lumbar up/dn motor
Out
Pnk
Power seats circuit
Pwr seat circuit breaker 25a
Rear junction block
Right front seat lumbar switch
Right lumbar in/out motor
Right lumbar up/dn motor
S208
S330
S331
S332
S333
Solid state
Tan

Passenger Heated Seat Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Passenger Heated Seat Wiring Diagram for Buick Park Avenue Ultra 1998:

(right kick
10a
B12
Bat
Body control module (behind glove box)
C3 a11
C3 b11
E12
Enable input
Enable output
F11
F12
Front passenger heated seat module (under right front seat)
Front passenger heated seat switch
Front passenger seat
G203
Ground
Heat sw input
Hi led control
Hot at all times
Hot in run or start
Htdst r fuse
I/p fuse block
I/p junction block
Ign
Ign sen fuse
Interior lights system
Left heated seat module module
Lo led control
Nca
Nca high therm input
Nca lo therm input
Nca seat back control
Nca seat cush control nca seat cush control
Panel)
Rear fuse block
Right seat back heater
Right seat cushion heater
S208
S217
S333
Seat status input
Status output
Thermistor

Power Seats Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Power Seats Wiring Diagram for Buick Park Avenue Ultra 1998:

F10
Fwd
G203 (right kick panel)
Hot at all times
Left forward back motor
Left front height motor
Left front seat switch
Left headrest motor
Left rear height motor
Left recliner motor
Lumbar switches
Pwr seat circuit breaker 25a
Rear junction block
Right forward back motor
Right front height motor
Right front seat switch
Right headrest motor
Right rear height motor
Right recliner motor
S300
S331
S332
S333
Solid state
Tan

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagrams for Buick Park Avenue Ultra 1998

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List of elements for Power Top/Sunroof Wiring Diagrams for Buick Park Avenue Ultra 1998:

(right side of luggage compartment, behind wheel house) g403
Close
Closed
Ground
Hot in run, accessory & retained accessory power
Ignition
Limit sw
Motor
Motor ctrl
Open
Rear junction block (below right side of rear seat)
Red
S401
Slide input
Sun roof control module (on rear underside of roof)
Sun roof motor (on rear underside of roof)
Sun roof switch
Sunrf fuse 20a
Vent input

POWER WINDOWS

Power Window Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Power Window Wiring Diagram for Buick Park Avenue Ultra 1998:

(inside front passengers door, above radio speaker)
(right side of luggage compt behind wheelhouse)
A10
A11
A12
A8 c1
B10
B11
B12
Battery (b+)
Battery b+
Bus interface
C10
C8 c4
Computer data lines system
D10
Ddm fuse 10a
Down
Down input
Driver door module (inside drivers door, radio speaker)
Driver door switch
G200 (left kick panel)
G203 (right kick panel)
G403
Ground
Hot at all times
Interior lights system
Junction block (behind glove box)
Lamp feed
Left front window motor
Left rear window motor
Left rear window switch
Lf win ctrl
Lr win ctrl
Passenger door module
Pdm fuse 10a
Pnk
Rap circuit breaker 30a
Rdm fuse 10a
Rear door module (under right side of rear seat)
Rear junction block (below right side of rear seat)
Red
Return
Rf win ctrl
Right front window motor
Right front window switch
Right rear window motor
Right rear window switch
Rr win ctrl
S202
S203
S205
S207
S208
S300
S401
Serial data
Solid state
Underhood maxi fuse block (right front of engine comp, forward of strut tower)
Up input

RADIO

Radio Wiring Diagrams, with Amplifier for Buick Park Avenue Ultra 1998

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List of elements for Radio Wiring Diagrams, with Amplifier for Buick Park Avenue Ultra 1998:

(behind glove box) i/p fuse block
1997, 98
1999, 2000
Antenna enable
Audio comm out
Aux comm in
B10
B12
Battery voltage
C2 f10
C3 f8
C4 b7
Compact disc player
Ddl out
Diagnostics
Diplay dim sig out
Display dim sig in
E10
E11
E12
E13
E14
E15
E16
E3 c3
F10
F11
F12
F13
F14
F15
F16
G200 (left kick panel)
Grd
Ground
Hot at all times
Hot in run, acc or retained accessory power
I/p fuse block (behind glove box)
Ign voltage
Inflatable restraint steering wheel module coil
Interior lights system
Left audio out
Left aux in
Left front door speaker (midrange)
Left rear door speaker (midrange)
Left rear speaker (subwoofer)
Lf chnl in (+)
Lf chnl in (-)
Lf chnl out (+)
Lf chnl out (-)
Lf midrng out (+)
Lf midrng out (-)
Lf tweeter out (+)
Lf tweeter out (-)
Lr chnl in (-)
Lr chnl out (+)
Lr chnl out (-)
Lr midrng out (+)
Lr midrng out (-) audio amplifier
Lr subwfr out (+)
Lr subwfr out (-)
Midrange speaker
Midrng sp out (+)
Midrng sp out (-)
Nca
Panel lamp in
Power antenna system
Radio
Rdo fuse 10a
Rdo/ph fuse 5a
Rear fuse block
Rear fuse block (below right side of rear seat)
Red
Red a
Rf chnl in (+)
Rf chnl in (-)
Rf chnl out (+)
Rf chnl out (-)
Rf midrng out (+)
Rf midrng out (-)
Rf tweeter out (+)
Rf tweeter out (-)
Right audio out
Right aux in
Right front door speaker (midrange)
Right front door speaker (tweeter)
Right rear door speaker (midrange)
Right rear speaker (subwoofer)
Rr chnl in (+)
Rr chnl in (-)
Rr chnl out (+)
Rr chnl out (-)
Rr midrng out (+)
Rr midrng out (-)
Rr subwfr out (+)
Rr subwfr out (-)
S206
S209
Serial data e&c
Shield grd
Steering column fuse holder (1998-00)
Steering wheel control switch
Strg whl ctlr
Sw1
Sw2
Sw3
Sw4
Sw5
Sw6
Sw7
Sw8
Switch fuse 2a
Tan
Tan b

Radio Wiring Diagrams, without Amplifier for Buick Park Avenue Ultra 1998

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List of elements for Radio Wiring Diagrams, without Amplifier for Buick Park Avenue Ultra 1998:

(body harn, 24 cm from left dash-to- eng compt grommet) s219
1997-98
1999-00
Antenna enable
B12
Battery voltage
C2 f10
Computer data lines system
Diplay dim sig out
Display dim sig in
E10
E11
E12
E13
E14
E15
E16
E3 c3
F10
F11
F12
F13
F14
F15
F16
G200 (left kick panel)
Ground
Hot at all times
Hot in run, acc or retained accessory power
I/p fuse block (behind glove box)
Ign voltage
Inflatable restraint steering wheel module coil
Interior lights system
Left front speaker (midrange)
Left front speaker (tweeter)
Left rear speaker
Lf chnl out (+)
Lf chnl out (-)
Lr chnl out (+)
Lr chnl out (-)
Nca
Panel lamp in
Power antenna system
Radio
Rdo fuse 10a
Rdo/ph fuse 5a
Rear fuse block (below right side of rear seat)
Rf chnl out (+)
Rf chnl out (-)
Right front speaker (midrange)
Right front speaker (tweeter)
Right rear speaker
Rr chnl out (+)
Rr chnl out (-)
S209
S218 (body harn, 27 cm from park brake switch)
Serial data uart
Steering column fuse holder (1998-00)
Steering wheel control switch
Strg whl ctlr
Sw1
Sw2
Sw3
Sw4
Sw5
Sw6
Sw7
Sw8
Switch fuse 2a
Tan
Tan b

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Shift Interlock Wiring Diagram for Buick Park Avenue Ultra 1998:

Auto trans shift lock control
Auto trans shift lock control solenoid (base of steering column)
Automatic transaxle internal mode switch
Body control module (behind glove box)
C200
Class 2 serial data
Computer data lines system
Data line
G117 (right rear of engine)
G200 (left kick panel)
Lamp control module (behind left side of dash, right of steering column)
Opens when brake pedal is depressed
Park gear input
Powertrain control module (left side of engine compt, inside air cleaner)
Range sw a signal
Range sw b signal
Range sw c signal
Range sw p signal
S108
S205
Stoplamp/ auto trans shift lock control switch (behind dash, on brake pedal support)

STARTING/CHARGING

Charging Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Charging Wiring Diagram for Buick Park Avenue Ultra 1998:

(1997)
(1998)
(lower center front of engine)
(not used)
Bat
Battery
G101
G125
Gen. term. f input
Gen. term. l output
Generator l
Power distribution system
Powertrain control module (pcm) (in air cleaner housing)
Red
Underhood junction block (right front of engine compartment, near battery)

Starting Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Starting Wiring Diagram for Buick Park Avenue Ultra 1998:

(1998)
(1998) (1997)
(lower center front of engine)
A10
Accy
B10
Battery
Bulb test
Crank fuse 5a
D10
F11
G101
G125
Hold- in coil
I/p junction block (behind glove box)
Ignition switch
Lock
Nca
Off
Park/neutral position (pnp) switch (on top right front of transaxle)
Powertrain control module (pcm) (in air cleaner housing)
Pull- in coil
Rear junction block (below right side of rear seat)
Run
Run/crank fuse 10a
Start
Starter enable relay ctrl
Starter motor
Starter solenoid
Thft 1 relay
Thft 2 relay
Thft maxifuse 30a
Underhood junction block

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Supplemental Restraint Wiring Diagram for Buick Park Avenue Ultra 1998:

Computer data lines
Data line
Driver high
Driver low
E3 c3
G301 (under right front seat)
Ground
Hot in run or start
Ign pos volt (b+)
Inflatable restraint dash module (top right of dash)
Inflatable restraint sensing and diagnostic module (below right front seat)
Inflatable restraint steering wheel module (on steering wheel)
Inflatable restraint steering wheel module coil
Nca
Nca a
Nca b
Passenger high
Passenger low
Serial data line
Shorting bar
Sir fuse 10a
Underhood junction block (right front of engine compt)

TRANSMISSION

3.8L

3.8L (VIN 1), Transmission Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN 1), Transmission Wiring Diagram for Buick Park Avenue Ultra 1998:

(engine harn, 15 cm from breakout to cruise control module)
(engine harn, 47 cm from breakout to pcm)
1-2 shift sol
2-3 shift sol
5v ref a
A/t sensor hi
A/t sensor lo
Abs switch in
Abs/tcc switch (brake pedal support)
Automatic transaxle (4t65-e)
Automatic transaxle fluid pressure manual valve position switch
Automatic transaxle fluid temperature sensor
Automatic transaxle input shaft speed sensor
Automatic transaxle range switch (top left side of transaxle)
Battery in
Body control module
C1 e4
C2 e12
C2 e4
C2 e8
C2 f12
C2 f6
C2 f7
C3 a12
C3 c2
C3 e6
Computer data lines system
Data class ii
Ect in
Ect return
Engine controls
Engine coolant temperature sensor (rear of engine, below thermostat housing)
G125 (front of engine, below power steering pump)
G200 (left kick panel)
Hot at all times
Hot in off, run or start
Hot in run or start
Housing)
I/p fuse block (behind glove box)
Ignfd fuse 10a
Ignition in
Instrument cluster
Instrument cluster, pass- key module
Malfunction indicator lamp
Mil ctrl
Pc sol hi
Pc sol lo
Pcm fuse 10a
Pcm ground
Pcm/cru fuse 10a
Pnk
Powertrain control module (in air cleaner
Pressure control sol
Rear fuse block (below right side of rear seat)
Red
S108
S115
S203
Sbm lcm fuse 10a
Sensor return
Tan
Tcc pwm sol
Tcc rel
Tcc release in
Tcc switch in
Tft sensor in
Throttle position sensor (on throttle body)
Tp ground
Tps in
Tr sw in-a
Tr sw in-b
Tr sw in-c
Tr sw in-p
Tr-a
Tr-b
Tr-c
Trans range a
Trans range b
Trans range c
Underhood fuse block (near battery)
Vehicle speed sensor (lower right rear of engine compt)
Vss hi
Vss lo

3.8L (VIN K), Transmission Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for 3.8L (VIN K), Transmission Wiring Diagram for Buick Park Avenue Ultra 1998:

(engine harn, 15 cm from breakout to cruise control module)
(engine harn, 47 cm from breakout to pcm)
1-2 shift sol
2-3 shift sol
5v ref a
A/t sensor hi
A/t sensor lo
Abs switch in
Abs/tcc switch (brake pedal support)
Automatic transaxle (4t65-e)
Automatic transaxle fluid pressure manual valve position switch
Automatic transaxle fluid temperature sensor
Automatic transaxle input shaft speed sensor
Automatic transaxle range switch (top left side of transaxle)
Battery in
Body control module
C1 e4
C2 e12
C2 e4
C2 e8
C2 f12
C2 f6
C2 f7
C3 a12
C3 c2
C3 e6
Computer data lines system
Data class ii
Ect in
Ect return
Engine controls
Engine coolant temperature sensor (rear of engine, below thermostat housing)
G125 (front of engine, below power steering pump)
G200 (left kick panel)
Hot at all times
Hot in off, run or start
Hot in run or start
Housing)
I/p fuse block (behind glove box)
Ignfd fuse 10a
Ignition in
Instrument cluster
Instrument cluster, pass- key module
Malfunction indicator lamp
Mil ctrl
Pc sol hi
Pc sol lo
Pcm fuse 10a
Pcm ground
Pcm/cru fuse 10a
Pnk
Powertrain control module (in air cleaner
Pressure control sol
Rear fuse block (below right side of rear seat)
Red
S108
S115
S203
Sbm lcm fuse 10a
Sensor return
Tan
Tcc pwm sol
Tcc rel
Tcc release in
Tcc switch in
Tft sensor in
Throttle position sensor (on throttle body)
Tp ground
Tps in
Tr sw in-a
Tr sw in-b
Tr sw in-c
Tr sw in-p
Tr-a
Tr-b
Tr-c
Trans range a
Trans range b
Trans range c
Underhood fuse block (near battery)
Vehicle speed sensor (lower right rear of engine compt)
Vss hi
Vss lo

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Trunk & Fuel Door Release Wiring Diagram for Buick Park Avenue Ultra 1998:

Body control module (sbm) (behind glove box)
C2 f9
C4 a6
Computer data lines system
D11
Data lines
E7 c3
F4 c3
Fuel door release solenoid (in left quarter panel, at fuel filler door pocket)
Fuel door release switch
G203 (right kick panel)
G403 (right side of luggage compt, behind wheelhouse)
Hot at all times
I/p junction block (behind glove box)
Pnk
Rear compartment lid release relay
Rear compartment lid release actuator (on rear compt lid latch)
Rear compartment lid release switch (w/ mechanical valet lockout) (on center of rear compt, on latch)
Rear junction block (below right side of rear seat)
Remote function actuator (rfa) module (under center of rear package shelf)
Rly ctrl
S208
S217
S401
Sw input
Trk rel fuse 15a

WARNING SYSTEMS

Warning System Wiring Diagrams for Buick Park Avenue Ultra 1998

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List of elements for Warning System Wiring Diagrams for Buick Park Avenue Ultra 1998:

(ub7 cluster only)
A12
A7 c3
B12
Battery positive voltage
Body control module (sbm) (behind right side of dash, near rear of i/p compartment)
C10
C12
C2 c3
C3 c4
Class 2 serial data
Class 2 serial data line
Computer data lines system
Crank positive voltage
Crk fuse 5a
Cstr/sbm fuse 10a
D14
Driver's door module (ddm) (behind left front door trim)
E5 c3
F11
F5 c3
G200 (left kick panel)
G203 (right kick panel)
Gnd
Ground
Hot at all times
Hot in off, run or start
Hot in run or start
Hot in start
I/p bussed electrical center (bec) (behind right side of dash)
Ignition positive voltage
Input
Instrument panel cluster
Key in ignition input
Key-in ignition switch
Lamp control module (lcm) (behind left of dash, right of steering column)
Left front door jamb switch
Left front seat belt switch
Lights on chime input
Lights on input
Nca
Output
Pnk
Power distri- bution system
Power distribution system
Rear bussed electrical center (bec) (right rear of passenger compt, under rear seat)
Remote function actuator (rfa) module (center rear of passenger compt)
S213
S337
Sbm fuse 10a
Sbm fuse 15a
Sbm lcm fuse 10a
Seat belt switch
Seat belt telltale output
Seat belt warn ind
Tan
Underhood junction block (right front of engine compt, near battery)

WIPER/WASHER

Wiper/Washer Wiring Diagram for Buick Park Avenue Ultra 1998

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List of elements for Wiper/Washer Wiring Diagram for Buick Park Avenue Ultra 1998:

(not used)
Ctrl
G106 (near rear of air cleaner housing)
G403 (right side of luggage compt, behind wheelhouse)
Ground
Hi speed input
Hot in acc or run
I/p junction block (behind glove box)
Ign
Ignition
Max
Min
Mist
Nca
Off
Outside moisture sensor (above rearview mirror)
Pump ctrl
Rainsense inputs
Red
S100
S306
Washer input
Washer switch
Windshield washer pump motor
Windshield wiper motor
Windshield wiper/washer switch
Wiper speed input
Wiper switch
Wsw fuse 25a
Wsw/rfa fuse 10a