Diagram sections — 11 (20 total)
COOLING FAN DEFOGGERS HORN POWER ANTENNA POWER DOOR LOCKS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING TRUNK, TAILGATE, FUEL DOOR WIPER/WASHER
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: 13 (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: 13 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: 13 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: 14 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: 9 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: 16 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: 20 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: 19 (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: 21 (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: 28 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: 29 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: 15 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: 19 (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: 16 (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: 19 (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: 16 (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: 19 (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: 6 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: 15 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: 19 (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
