All Wiring Diagrams for Buick Skylark Gran Sport 1990

COOLING FAN

2.3L

2.3L (VIN D), Cooling Fan Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 2.3L (VIN D), Cooling Fan Wiring Diagram for Buick Skylark Gran Sport 1990:

• (except vin n)
• (vin n)
• Air conditioning system
• Coolant fan (center front of dash, on relay bracket)
• Coolant fan relay (center front of dash, on relay bracket)
• Coolant temperature sensor (left rear of of engine) (right side of engine)
• D12 c9
• E16
• Engine control module (behind right side of i/p)
• Engine controls system
• G110 (left front of engine)
• Hot at all times
• Red

2.5L

2.5L (VIN U), Cooling Fan Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 2.5L (VIN U), Cooling Fan Wiring Diagram for Buick Skylark Gran Sport 1990:

• Air conditioning system
• Coolant fan (center front of dash, on relay bracket)
• Coolant fan relay (center front of dash, on relay bracket)
• Coolant temperature sensor (top left front of engine)
• Engine control module
• Engine control module (behind right side of i/p)
• Fuse block (behind i/p, left of steering column)
• Fusible link f (16 -ga rust)
• G110 (lower left front of engine, on transaxle stud)
• Hot at all times
• Hot in run
• Htr a/c fuse 25a
• Red

3.3L

3.3L (VIN N), Cooling Fan Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 3.3L (VIN N), Cooling Fan Wiring Diagram for Buick Skylark Gran Sport 1990:

• Air conditioning system
• Coolant fan (center front of dash, on relay bracket)
• Coolant fan relay (center front of dash, on relay bracket)
• Coolant temperature sensor (right side of of engine, below generator)
• E16
• Engine control module (behind right side of i/p)
• Engine control system
• Fuse block (behind i/p, left of steering column)
• G110 (left front of engine, on transaxle stud)
• Hot at all times
• Hot in run
• Htr a/c fuse 25a
• Red

DEFOGGERS

Defogger Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Defogger Wiring Diagram for Buick Skylark Gran Sport 1990:

• Fuse block (left side of i/p)
• G204 (behind i/p, left side of steering column)
• G300 (under left front seat)
• Gages fuse 10a
• Hot at all times
• Hot in run, bulb test or start
• Interior lights system
• Momentary switch
• On indicator
• Panel light
• Pwr acc circuit breaker 30a
• Rear defogger
• Rear defogger control switch
• Timer relay

HORN

Horn Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Horn Wiring Diagram for Buick Skylark Gran Sport 1990:

• Clk-cig fuse 20a
• Convenience center (left side of i/p)
• Fuse block (left side of i/p)
• Horn relay
• Horn switch
• Hot at all times
• Left horn
• Right horn
• Slip ring

POWER ANTENNA

Power Antenna Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Power Antenna Wiring Diagram for Buick Skylark Gran Sport 1990:

• Antenna
• Antenna motor
• Antenna relay (right rear corner of luggage compartment)
• C c
• Capacitor (right rear corner of luggage compartment)
• Clk-cig fuse 20a
• Down switch
• Fuse block (left side of i/p)
• G204 (behind i/p, left side of steering column)
• Hot at all times
• Nca
• Nca antenna coax lead
• Pnk
• Radio
• Radio on output
• Up switch

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Power Door Lock Wiring Diagram for Buick Skylark Gran Sport 1990:

• Buick
• Clk-cig fuse 20a
• Door lock relay assembly (behind right side of i/p, on upper right shroud)
• Fuse block (left side of i/p)
• G205 (behind i/p, on right side of steering column bracket)
• Hot at all times
• J/c c200g (behind gear selector)
• Left door lock switch
• Left front door lock motor
• Left rear door lock motor
• Lock
• Lock relay
• Pontiac
• Power acc circuit breaker 35a
• Right door lock switch
• Right front door lock motor
• Right rear door lock motor
• Tan
• Unlock
• Unlock relay

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 6-Way Power Seat Wiring Diagram for Buick Skylark Gran Sport 1990:

• (1990-91)
• (1992-93)
• 1995 vftc c
• Back
• Down
• Entire seat
• Forward-back motor
• Front height
• Front height motor
• Fuse block
• Fwd
• G202 (behind left side of i/p)
• G300 (below left front seat)
• Hot at all times
• Pwr acc circuit breaker 30a
• Rear height
• Rear height motor
• Seat switch
• Tan

POWER WINDOWS

Power Windows Wiring Diagram, 2 Door for Buick Skylark Gran Sport 1990

List of elements for Power Windows Wiring Diagram, 2 Door for Buick Skylark Gran Sport 1990:

• (under left front seat) g300
• Current sense input
• Down input
• Fuse block
• Hot in run
• Left front power window motor
• Left window
• Master switch assembly
• Pnk
• Power
• Power window control module (lower front of left door)
• Pwr wdo circuit breaker 30a
• Relay
• Relay control
• Right front power window motor
• Right front window switch
• Right window
• Solid state
• Solid state timer & control unit
• Tan
• Up-stop input

Power Windows Wiring Diagram, 4 Door for Buick Skylark Gran Sport 1990

List of elements for Power Windows Wiring Diagram, 4 Door for Buick Skylark Gran Sport 1990:

• Controller
• Current sense input
• Down input
• Fuse block
• G300 (under left front seat)
• Hot in run
• Left front power window motor
• Left front window
• Left rear power window motor
• Left rear window
• Left rear window switch
• Master switch assembly
• Pnk
• Power
• Power window control module (lower front of left door)
• Pwr wdo circuit breaker 30a
• Relay
• Relay control
• Right front power window motor
• Right front window
• Right front window switch
• Right rear power window motor
• Right rear window
• Right rear window switch
• Solid state
• Solid state timer & control unit
• Tan
• Up- stop input

RADIO

Radio Wiring Diagrams for Buick Skylark Gran Sport 1990

List of elements for Radio Wiring Diagrams for Buick Skylark Gran Sport 1990:

• Antenna
• Antenna input
• Battery input
• Display dim signal
• Fuse block (left side of i/p)
• G204 (bottom of steering column)
• Ground
• Hot at all times
• Hot in acc or run
• Ignition power input
• Interior lights system
• Left front +
• Left front -
• Left front speaker
• Left rear +
• Left rear -
• Left rear speaker
• Pnk
• Power antenna
• Radio
• Radio fuse 10a (1990-91) rdo bat fuse 10a (1992)
• Radio fuse 10a (1990-91) rdo ign fuse 10a (1992)
• Right front +
• Right front -
• Right front speaker
• Right rear +
• Right rear -
• Right rear speaker
• Tan

STARTING/CHARGING

2.3L

2.3L (VIN D), Charging Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 2.3L (VIN D), Charging Wiring Diagram for Buick Skylark Gran Sport 1990:

• Alternator
• Bat
• Battery
• Ecm-rlys fuse 10a
• Fuse block (behind left
• Fusible link c (16 ga- rust)
• Fusible link j/b (left side of engine compt., below washer fluid reservoir)
• G100 (left front of engine compartment, on inner fender panel)
• G125 (left front of engine)
• Gages fuse 10a
• Hot in run, bulb test or start
• Instrument cluster
• Red
• Side of i/p)
• Volts indicator

Starting Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Starting Wiring Diagram for Buick Skylark Gran Sport 1990:

• (left front of engine compartment, on inner fender panel) g100
• A/t
• Accy
• Battery
• Bulb test
• Clutch start switch (on clutch pedal bracket)
• G125 (left front of engine)
• Hot at all times
• Ignition switch
• Lock
• M/t
• Nca
• Off
• Power distribution system
• Run
• Start
• Starter motor
• Starter solenoid
• Transaxle position switch (top left rear of transaxle)

2.5L

2.5L (VIN U), Charging Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 2.5L (VIN U), Charging Wiring Diagram for Buick Skylark Gran Sport 1990:

• (1990-91) (1992-93)
• Alternator
• Bat
• Battery
• Ecm-rlys fuse 10a 15a
• For pin designation refer to instrument cluster system
• Fuse block (behind left
• Fusible link c (16 ga- rust)
• G100 (left front of engine compartment, on inner fender panel)
• G125 (left front of engine)
• Gages fuse 10a
• Hot in run, bulb test or start
• Instrument cluster
• Red
• Side of i/p)
• Volts indicator

Starting Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Starting Wiring Diagram for Buick Skylark Gran Sport 1990:

• (left front of engine compartment, on inner fender panel) g100
• A/t
• Accy
• Battery
• Bulb test
• Clutch start switch (on clutch pedal bracket)
• G125 (left front of engine)
• Hot at all times
• Ignition switch
• Lock
• M/t
• Nca
• Off
• Power distribution system
• Run
• Start
• Starter motor
• Starter solenoid
• Transaxle position switch (top left rear of transaxle)

3.3L

3.3L (VIN N), Charging Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 3.3L (VIN N), Charging Wiring Diagram for Buick Skylark Gran Sport 1990:

• (1990-91) (1992-93)
• Alternator
• Bat
• Battery
• Ecm-rlys fuse 10a 15a
• For pin designation refer to instrument cluster system
• Fuse block (behind left
• Fusible link c (16 ga- rust)
• G100 (left front of engine compartment, on inner fender panel)
• G125 (left front of engine)
• Gages fuse 10a
• Hot in run, bulb test or start
• Instrument cluster
• Red
• Side of i/p)
• Volts indicator

Starting Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Starting Wiring Diagram for Buick Skylark Gran Sport 1990:

• (left front of engine compartment, on inner fender panel) g100
• A/t
• Accy
• Battery
• Bulb test
• Clutch start switch (on clutch pedal bracket)
• G125 (left front of engine)
• Hot at all times
• Ignition switch
• Lock
• M/t
• Nca
• Off
• Power distribution system
• Run
• Start
• Starter motor
• Starter solenoid
• Transaxle position switch (top left rear of transaxle)

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Trunk Release Wiring Diagram for Buick Skylark Gran Sport 1990:

• 1995 vftc c
• Fuse block (left side of i/p)
• Hot at all times
• Htr-a/c fuse 25a
• Luggage compartment lid release solenoid
• Luggage compartment lid release switch

WIPER/WASHER

2-Speed Wiper/Washer Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for 2-Speed Wiper/Washer Wiring Diagram for Buick Skylark Gran Sport 1990:

• Fuse block
• G110 (left front of engine)
• Hot in accy or run
• Mechanical arm
• Mist
• Off
• Park switch
• Pnk
• Red
• Washer pump motor
• Washer switch
• Wiper fuse 25a
• Wiper motor assembly
• Wiper switch
• Wiper switch assembly

Interval Wiper/Washer Wiring Diagram for Buick Skylark Gran Sport 1990

List of elements for Interval Wiper/Washer Wiring Diagram for Buick Skylark Gran Sport 1990:

• (left front of engine) g110
• Control board
• Fuse block
• Hot in accy or run
• Mechanical arm
• Mist
• Off
• Park switch
• Pnk
• Pulse
• Pulse delay
• Red
• Timer
• Washer pump motor
• Washer switch
• Wiper fuse 25a
• Wiper motor assembly
• Wiper switch
• Wiper switch assembly