STARTING/CHARGING – Buick LaCrosse CX 2005 – SYSTEM WIRING DIAGRAMS

STARTING/CHARGING

Charging Wiring Diagram for Buick LaCrosse CX 2005

List of elements for Charging Wiring Diagram for Buick LaCrosse CX 2005:

• (i/p harn, left side of dash, approximately 21 cm from lamp assembly switch, toward eng compt pass-tru)
• (not used) a
• 3.6l
• 3.8l
• Batt +
• Battery
• Body control module (bcm) (behind left side of dash, left of steering column)
• Charge indicator
• Charging system
• Clstr fuse 10a
• Computer data lines system
• Current sensor low ref
• Current sensor sig
• Ecm class 2 serial data
• Engine control module (ecm) or (on top of eng)
• G102 (3.6l: below right front strut tower, 3.8l: near battery)
• G111 (3.6l: lower left front of eng, 3.8l: lower left side of eng)
• G202 (left side of dash, base of steering column)
• Generator
• Generator field duty cycle sig
• Generator turn on sig
• Gnd
• Ground
• Hot at all times
• I/p class 2 serial data
• I/p dimming voltage ref
• I/p fuse block (behind right side of dash)
• Instrument panel cluster (ipc)
• Interior lights system
• Logic
• Pcm class 2 serial data
• Pcm/ecm class 2 serial data
• Power distribution system
• Powertrain control module (ecm) or (left front side of eng compt, in air cleaner assembly)
• Red
• S204
• S211
• Splice pack sp205 (right side of dash)
• Starter

Starting Wiring Diagram for Buick LaCrosse CX 2005

List of elements for Starting Wiring Diagram for Buick LaCrosse CX 2005:

• -remote starter disabled
• 12-volt ref
• 3.6l
• 3.8l
• Acc
• Battery
• Body control module (bcm) (behind left side of dash, left of steering column)
• C11
• C12
• Charging circuit
• Class 2 serial data
• Clstr fuse 10a
• Crank voltage
• Crnk relay
• G101 (left side of front end upper tie bar)
• G102 (3.6l: below right front strut tower, 3.8l: near battery)
• G111 (3.6l: lower left front of eng, 3.8l: lower left side of eng)
• Ground distribution system
• Hold- in coil
• Hood ajar switch (front of eng compt)
• Hood ajar switch sig
• Hot at all times
• Hot w/ ign 1 relay energized
• I/p fuse block (behind right side of dash)
• Ign 1 volt
• Ignition 1 voltage
• Ignition switch
• Instrument panel cluster
• Logic
• Off
• Ohms
• Pcm fuse 15 10a
• Pnk
• Power distribution system
• Powertrain control module or engine control module (3.6l: on top of eng, 3.8l: left front side of eng compt, in air cleaner assembly)
• Pull- in coil
• Red
• S112
• S200 (in steering column, near ignition switch)
• Sp205 (right side of dash)
• Start
• Start enable rly ctrl
• Starter
• Starter fuse 33 40a
• Underhood fuse block (mounted to right strut tower)