STARTING/CHARGING – GMC Sierra 2500 HD WT 2014 – SYSTEM WIRING DIAGRAMS

STARTING/CHARGING

6.0L VIN B

6.0L VIN B, Charging Wiring Diagram for GMC Sierra 2500 HD WT 2014

List of elements for 6.0L VIN B, Charging Wiring Diagram for GMC Sierra 2500 HD WT 2014:

• 175a
• Battery current sensor
• Body control module (bcm) (lower left side of dash)
• Charge ind sig
• Charge indicator
• Computer data lines system
• Current sply
• Driver information center (dic)
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• G101 (on lower right radiator support)
• G103 (on front of right cylinder head)
• Generator
• Generator sig
• Hot at all times
• Instrument panel cluster (ipc)
• Ipc fuse 46 10a
• Logic
• Low ref
• Low speed gm lan serial data
• Mega fuse 175a
• Pnk
• Power distribution system
• Red
• Right battery
• Sens sig
• Serial data
• Serial data +
• Serial data -
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder (on positive battery terminal)
• Volt
• W/ 10 series
• X109

6.0L VIN B, Starting Wiring Diagram for GMC Sierra 2500 HD WT 2014

List of elements for 6.0L VIN B, Starting Wiring Diagram for GMC Sierra 2500 HD WT 2014:

• (on front of right cylinder head)
• (on positive battery terminal)
• (right side of firewall) underhood fuse holder
• (top rear of engine) (6.6l) g103
• 175a
• 5v ref
• 6.0l
• 6.6l
• Acc
• Automatic transmission (6 speed a/t)
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Automatic transmission internal mode switch (ims)
• Battery current sensor
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Control solenoid valve assembly
• Data bus +
• Data bus -
• Engine control module (ecm) (left front of engine compt)
• Except 6.6l
• F x2
• G101 (on lower right radiator support)
• G102 (except 6.6l) (on lower left front of engine)
• G103
• G103 (on front of right cylinder head)
• Gnd
• Ign 3 volt
• Ignition switch
• J105
• J106
• J144
• Lock
• Low ref
• Mega fuse 175a
• Park/neutral signal
• Power distribution system
• Red
• Right battery
• Run
• Serial data +
• Serial data -
• Start
• Starter motor
• Strt rly ctrl
• Strtr fuse 62 (except 6.6l) fuse 57 (6.6l) 40a
• Strtr relay
• Tan
• Transmission control module (tcm)
• Transmission control module (tcm) (left front of engine compt, near fan shroud)
• Transmission park/neutral
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder
• X175

6.0L VIN G

6.0L VIN G, Charging Wiring Diagram for GMC Sierra 2500 HD WT 2014

List of elements for 6.0L VIN G, Charging Wiring Diagram for GMC Sierra 2500 HD WT 2014:

• 175a
• Battery current sensor
• Body control module (bcm) (lower left side of dash)
• Charge ind sig
• Charge indicator
• Computer data lines system
• Current sply
• Driver information center (dic)
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• G101 (on lower right radiator support)
• G103 (on front of right cylinder head)
• Generator
• Generator sig
• Hot at all times
• Instrument panel cluster (ipc)
• Ipc fuse 46 10a
• Logic
• Low ref
• Low speed gm lan serial data
• Mega fuse 175a
• Pnk
• Power distribution system
• Red
• Right battery
• Sens sig
• Serial data
• Serial data +
• Serial data -
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder (on positive battery terminal)
• Volt
• W/ 10 series
• X109

6.0L VIN G, Starting Wiring Diagram for GMC Sierra 2500 HD WT 2014

List of elements for 6.0L VIN G, Starting Wiring Diagram for GMC Sierra 2500 HD WT 2014:

• (on front of right cylinder head)
• (on positive battery terminal)
• (right side of firewall) underhood fuse holder
• (top rear of engine) (6.6l) g103
• 175a
• 5v ref
• 6.0l
• 6.6l
• Acc
• Automatic transmission (6 speed a/t)
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Automatic transmission internal mode switch (ims)
• Battery current sensor
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Control solenoid valve assembly
• Data bus +
• Data bus -
• Engine control module (ecm) (left front of engine compt)
• Except 6.6l
• F x2
• G101 (on lower right radiator support)
• G102 (except 6.6l) (on lower left front of engine)
• G103
• G103 (on front of right cylinder head)
• Gnd
• Ign 3 volt
• Ignition switch
• J105
• J106
• J144
• Lock
• Low ref
• Mega fuse 175a
• Park/neutral signal
• Power distribution system
• Red
• Right battery
• Run
• Serial data +
• Serial data -
• Start
• Starter motor
• Strt rly ctrl
• Strtr fuse 62 (except 6.6l) fuse 57 (6.6l) 40a
• Strtr relay
• Tan
• Transmission control module (tcm)
• Transmission control module (tcm) (left front of engine compt, near fan shroud)
• Transmission park/neutral
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder
• X175

6.6L VIN 8

6.6L VIN 8, Charging Wiring Diagram for GMC Sierra 2500 HD WT 2014

List of elements for 6.6L VIN 8, Charging Wiring Diagram for GMC Sierra 2500 HD WT 2014:

• (in engine chassis harness) (w/ dual generator & ambulance upfitter) j132
• Auxiliary generator (w/ dual generator & ambulance upfitter)
• Battery current sensor
• Charge ind sig
• Charge indicator
• Computer data lines system
• Driver information center (dic)
• Engine control module (ecm) (left front of engine compt near fan shroud)
• G101 (on lower right radiator support)
• G103 (top rear of engine)
• Generator f
• Generator sig
• Hot at all times
• Instrument panel cluster (ipc)
• Ipc fuse 43 10a
• Logic
• Low speed gm lan serial data
• Mega fuse 175a
• Power distribution system
• Red
• Right battery
• Serial data (+) 1
• Serial data (-) 1
• Tan
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder (right side of firewall)
• Volt
• W/ dual generator & ambulance upfitter
• X127

6.6L VIN 8, Starting Wiring Diagram for GMC Sierra 2500 HD WT 2014

List of elements for 6.6L VIN 8, Starting Wiring Diagram for GMC Sierra 2500 HD WT 2014:

• (on front of right cylinder head)
• (on positive battery terminal)
• (right side of firewall) underhood fuse holder
• (top rear of engine) (6.6l) g103
• 175a
• 5v ref
• 6.0l
• 6.6l
• Acc
• Automatic transmission (6 speed a/t)
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Automatic transmission internal mode switch (ims)
• Battery current sensor
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Control solenoid valve assembly
• Data bus +
• Data bus -
• Engine control module (ecm) (left front of engine compt)
• Except 6.6l
• F x2
• G101 (on lower right radiator support)
• G102 (except 6.6l) (on lower left front of engine)
• G103
• G103 (on front of right cylinder head)
• Gnd
• Ign 3 volt
• Ignition switch
• J105
• J106
• J144
• Lock
• Low ref
• Mega fuse 175a
• Park/neutral signal
• Power distribution system
• Red
• Right battery
• Run
• Serial data +
• Serial data -
• Start
• Starter motor
• Strt rly ctrl
• Strtr fuse 62 (except 6.6l) fuse 57 (6.6l) 40a
• Strtr relay
• Tan
• Transmission control module (tcm)
• Transmission control module (tcm) (left front of engine compt, near fan shroud)
• Transmission park/neutral
• Underhood fuse block (left side of engine compt)
• Underhood fuse holder
• X175