STARTING/CHARGING – Buick Skylark Custom 1990 – SYSTEM WIRING DIAGRAMS

STARTING/CHARGING

2.3L

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

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

List of elements for Starting Wiring Diagram for Buick Skylark Custom 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 Custom 1990

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

List of elements for Starting Wiring Diagram for Buick Skylark Custom 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 Custom 1990

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

List of elements for Starting Wiring Diagram for Buick Skylark Custom 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)