GROUND DISTRIBUTION – Chevrolet Silverado 1500 HD 2005 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram, Except Hybrid (1 of 4) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Except Hybrid (1 of 4) for Chevrolet Silverado 1500 HD 2005:

• (ground strap from engine to frame rail)
• (w/ allison) transmission control module
• 4.3l engine
• 5.3l flex fuel
• A/c compressor clutch
• A/c low pressure switch
• Auxiliary battery relay
• Battery (left)
• Battery (right)
• Brake fluid level switch
• Brake pressure differential switch
• Coolant level switch
• Daytime running lamp (drl) (left)
• Daytime running lamp (drl) (right)
• Diesel
• Engine control module
• Except 4.3l base
• Except 4.3l engine
• Except jc4
• F/pmp relay
• Fog lamp (left)
• Fog lamp (right)
• Fuel composition sensor
• G100 (lower left radiator support)
• G102 (diesel) (right side of engine block)
• G102 (gas) (4.3l: lower right front of engine block) (except 4.3l: left side of engine block)
• G104 (left rear of engine block)
• G106 (right front of engine block)
• G107
• Gas
• Gas exc 4.3l
• Gas w/aux battery
• High beam headlamp (left)
• High beam headlamp (right)
• Horn (left)
• Horn (right)
• Ign 1 relay (gas)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Ignition control module
• Jc4
• Low beam headlamp (left)
• Low beam headlamp (right)
• Mobile radio fuse block (right side of dash)
• Park/ neutral position switch
• Park/turn signal lamp (left front)
• Park/turn signal lamp (right front)
• S102 (in engine harness)
• S104 (in engine harness)
• S156 (in engine harness)
• S157 (in engine harness)
• S223 (in seo harness)
• Throttle actuator control module
• Underhood fuse block (left side of engine compt)
• Upfitter option
• W/ dual horns
• W/aux battery
• W/pto
• Washer fluid level sensor
• Windshield washer fluid pump

Ground Distribution Wiring Diagram, Except Hybrid (2 of 4) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Except Hybrid (2 of 4) for Chevrolet Silverado 1500 HD 2005:

• (10 series) generator battery control module
• (exc flex fuel) c
• (flex fuel) a
• (upfitter option) roof beacon relay
• (upfitter option) roof mounted beacon
• (w/ allison) transmission control module
• 8.1l
• Active & elect shift transfer case
• Active & manual shift transfer case
• Bucket
• C1 a
• C2 a
• C2 d
• C3 a
• Ckp sensor shield
• Cmp sensor shield
• Crew cab
• Diesel
• Driver seat adjuster switch
• Dual tanks
• Electronic brake control module
• Engine oil level switch
• Exc 8.1l w/o calif lev
• Except 8.1l
• Except crew cab
• Front axle actuator
• Fuel heater
• Fuel injector control module
• Fuel injector control module shield
• Fuel pressure regulator
• Fuel pump
• Fuel pump & sender assembly (primary)
• Fuel pump & sender assembly (secondary)
• G101 (on generator bracket)
• G103 (diesel) (right rear of engine block)
• G103 (gas) (right rear of engine block)
• G108 (diesel) (lower left side of engine)
• G109 (diesel) (left side of engine block)
• G110 (left front body mount)
• G304 (except crew cab) (under right front seat)
• G305 (crew cab) (left "b" pillar)
• G306 (on right "b" pillar)
• G390 (near "c" pillar)
• Gas
• Glow plug controller
• Inflatable restraint passenger presence system module
• Inflatable restraint sensing & diagnostic module
• Intake air temperature (iat)/mass airflow (maf) sensor
• Left rear door latch assembly
• Manual shift transfer case
• Memory seat module
• Memory seat module (driver)
• Nca
• Non- bucket
• Park/ neutral position switch
• Powertrain control module
• Rear wheel steering control module
• Rear window defogger grid
• Right rear door latch assembly
• S103 (in engine harness)
• S110 (in engine harness)
• S132 (in engine harness)
• S170
• S171
• S174
• S175
• S176
• S177
• S329 (in passenger seat harness)
• Seat adjuster switch (passenger)
• Seat bolster/ lumbar switch (front passenger)
• Steering gear motor assembly
• Steering gear motor shield
• Transfer case shift control motor
• Transfer case shift control switch
• Water in fuel sensor
• Window switch (right rear)
• Window switch) (left rear)

Ground Distribution Wiring Diagram, Except Hybrid (3 of 4) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Except Hybrid (3 of 4) for Chevrolet Silverado 1500 HD 2005:

• (2500 hd, 3500 w/o crew cab) (1500, 2500) (3500 w/ crew cab)
• (2500 hd, 3500 w/o crew cab: left side of fuel tank) (1500, 2500: on spare tire hoist bracket) (3500 w/ crew cab: on left rear body mount)
• (7 way) trailer connector
• (base) window/ door lock switch (driver)
• (crew cab) backup alarm
• (except luxury)
• (if equipped) left front shock absorber solenoid
• (if equipped) right front shock absorber solenoid
• (in steering wheel controls harness) s260
• (left front)
• (left rear)
• (luxury) rear seat entertainment assembly
• (luxury) vehicle communication interface module
• (right front)
• (right rear)
• A12
• Audio amplifier
• B12
• Back-up alarm
• Backup lamp (left)
• Backup lamp (right)
• Body control module
• C (gmc)
• C1 a8
• C1 c5
• C1 d10
• C1 e
• C2 a
• C2 b6
• C3 b6
• Camper/ 5th wheel trailer wiring provision
• Chevy
• Clearance lamps
• Cruise control module
• Data link connector
• Digital radio receiver
• E (chevy)
• Four wheel steering
• From i/p relay block a (diagram 3 of 4)
• G203 (near left "a" pillar)
• G302 g401 g403
• Gmc
• Hazard lamps switch
• Headlamp dimmer switch
• Headlamp switch
• Hvac control module
• I/p fuse block (lower left side of dash)
• I/p junction block (right side of dash)
• I/p relay block (near left kick panel)
• Ignition key alarm switch
• Inflatable restraint steering wheel module coil
• Instrument panel cluster
• Lamps switch
• Left rear turn signal lamp
• License lamp (left)
• License lamp (right)
• Luxury
• Multi- function accessory switch
• Nca
• Radio
• Rear lamps junction block (inside of left rear frame rail)
• Rear seat audio controller
• Rear seat entertainment assembly
• Remote playback device (cd player)
• Right rear turn signal lamp
• S213 (in i/p harness)
• S216 (in steering column harness)
• S217 (in steering column harn)
• S320
• S413 (right rear lamp harn)
• S423
• S424
• Steering wheel control switch assembly (lower left)
• Steering wheel control switch assembly (lower right)
• Steering wheel control switch assembly (upper left)
• Steering wheel control switch assembly (upper right)
• Steering wheel speed/ position sensor
• Tail/stop lamp (left)
• Tail/stop lamp (right)
• Tailgate marker lamp
• Tan
• To i/p relay block (diagram 3 of 4)
• Tow/haul switch
• Traction control switch
• Transfer case shift control module
• Transmission shift select switch
• Turn signal/ hazard flasher module
• Turn signal/ multifunction switch
• Vehicle communication interface module
• Window/ door lock switch (passenger)

Ground Distribution Wiring Diagram, Except Hybrid (4 of 4) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Except Hybrid (4 of 4) for Chevrolet Silverado 1500 HD 2005:

• (auto a/c) air temp sensor assembly (inside front)
• (auto a/c) air temp sensor assembly (inside rear)
• (base) driver unlock relay
• (except bose or luxury) auxiliary power outlet (front)
• (except bose or luxury) cigar lighter
• (if equipped) inflatable restraint disable switch
• (if equipped) power takeoff switch
• (if equipped) selectable ride switch
• (not used)
• (upfitter option) emergency vehicle roof lamp relay
• (upfitter option) roof beacon switch
• (upfitter option) wrecker relay
• (w conv package) driver door module
• (w conv package) passenger door module
• (w/o conv package) door latch assembly (driver)
• (w/o conv package) door latch assembly (passenger)
• (w/o conv package) window/ door lock switch (driver)
• (w/o conv package) window/ door lock switch (passenger)
• 10 series
• A12
• Auto a/c
• Automatic transmission shift lock solenoid
• Auxiliary power outlet (bin)
• Auxiliary power outlet (console)
• Auxiliary power outlet (front)
• Blower motor
• Blower motor resistor assembly
• C1 2f
• C1 a
• C1 b9
• C1 d
• C1 d9
• C1 f6
• C2 a
• C2 d
• C3 c
• C355 b
• C4 a
• C5 e
• C7 f
• C8 f
• C9 a
• Center high mounted stop lamp
• Cigar lighter
• Clearance lamps
• Cool/fan relay
• Data link connector
• Dome lamp (front)
• Dome/ reading lamp (rear)
• Exc luxury
• G115 (right rear of engine compt)
• G200 (behind right side of dash, near right "a" pillar)
• Hd trailering equipment provision
• Headlamp switch
• Hvac control module
• I/p fuse block (lower left side of dash)
• I/p junction block (lower right side of dash)
• I/p relay block (near left kick panel)
• Inside rearview mirror
• Instrument panel cluster
• Lock relay
• Luxury
• Man a/c
• Overhead console
• Rear wheel steering switch
• Recirculation actuator
• Right cooling fan
• Roof marker lamp (left)
• Roof marker lamp (right)
• S205
• S215 (in brake clutch harness)
• S345
• S352
• Sunroof control module
• Sunroof switch
• Transfer case shift control switch
• Underhood cooling fan fuse block (left side of engine compt)
• Unlock relay
• Vanity mirror lamp (left)
• Vanity mirror lamp (right)
• W/ 5 lamp roof marker
• W/o 5 lamp roof marker
• Windshield wiper motor module

Ground Distribution Wiring Diagram, Hybrid (1 of 5) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Hybrid (1 of 5) for Chevrolet Silverado 1500 HD 2005:

• (ground strap from engine to frame rail)
• (left side of engine block)
• (m33) automatic transmission
• A/c compressor clutch
• A/c low pressure switch
• Auxiliary battery relay
• Auxiliary heater pump
• Battery (left)
• Battery (right)
• Brake fluid level switch
• Brake pressure differential switch
• Daytime running lamp (drl) (left)
• Daytime running lamp (drl) (right)
• Except jc4
• F/pmp relay
• Fog lamp (left)
• Fog lamp (right)
• G100 (lower left radiator support)
• G102
• G104 (left rear of engine block)
• G106 (right front of engine block)
• G107
• Gas w/aux battery
• High beam headlamp (left)
• High beam headlamp (right)
• Horn (left)
• Horn (right)
• Ign 1 relay
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Jc4
• Low beam headlamp (left)
• Low beam headlamp (right)
• Mobile radio fuse block (right side of dash)
• Park/turn signal lamp (left front)
• Park/turn signal lamp (right front)
• S102 (in engine harness)
• S104 (in engine harness)
• S156 (in engine harness)
• S157 (in engine harness)
• S223 (in seo harness)
• Starter/ generator control module coolant pump
• Throttle actuator control module
• To starter/ generator control module (diagram 5 of 5)
• Underhood fuse block (left side of engine compt)
• Upfitter option
• W/ dual horns
• W/aux battery
• W/pto
• Washer fluid level sensor
• Windshield washer fluid pump

Ground Distribution Wiring Diagram, Hybrid (2 of 5) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Hybrid (2 of 5) for Chevrolet Silverado 1500 HD 2005:

• (upfitter option) roof beacon relay
• (upfitter option) roof mounted beacon
• (w/ allison) transmission control module
• Active & elect shift transfer case
• Active & manual shift transfer case
• Bucket
• C1 a
• C2 a
• C2 d
• C3 a
• Crew cab
• Driver seat adjuster switch
• Dual tanks
• Electro hydraulic power steering module
• Electronic brake control module
• Engine oil level switch
• Except crew cab
• Front axle actuator
• Fuel pump & sender assembly (primary)
• Fuel pump & sender assembly (secondary)
• G101 (on generator bracket)
• G103 (right rear of engine block)
• G110 (left front body mount)
• G304 (under right front seat)
• G305 (crew cab) (left "b" pillar)
• G306 (on right "b" pillar)
• G390 (near "c" pillar)
• Hybrid control module
• Inflatable restraint passenger presence system module
• Inflatable restraint sensing & diagnostic module
• Intake air temperature (iat)/mass airflow (maf) sensor
• Left rear door latch assembly
• Manual shift transfer case
• Memory seat module
• Memory seat module (driver)
• Nca
• Non- bucket
• Park/ neutral position switch
• Powertrain control module
• Rear wheel steering control module
• Rear window defogger grid
• Right rear door latch assembly
• S103 (in engine harness)
• S110 (in engine harness)
• S329 (in passenger seat harness)
• Seat adjuster switch (passenger)
• Seat bolster/ lumbar switch (front passenger)
• Steering gear motor assembly
• Steering gear motor shield
• Transfer case shift control motor
• Transfer case shift control switch
• Window switch (right rear)
• Window switch) (left rear)

Ground Distribution Wiring Diagram, Hybrid (3 of 5) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Hybrid (3 of 5) for Chevrolet Silverado 1500 HD 2005:

• (7 way) trailer connector
• (base) window/ door lock switch (driver)
• (except luxury)
• (if equipped) left front shock absorber solenoid
• (if equipped) right front shock absorber solenoid
• (in steering wheel controls harness) s260
• (left front)
• (left rear)
• (luxury) rear seat entertainment assembly
• (luxury) vehicle communication interface module
• (right front)
• (right rear)
• A12
• Audio amplifier
• B12
• Backup lamp (left)
• Backup lamp (right)
• Body control module
• C (gmc)
• C1 a8
• C1 c5
• C1 d10
• C1 e
• C2 a
• C2 b6
• C3 b6
• Chevy
• Clearance lamps
• Cruise control module
• Data link connector
• Digital radio receiver
• E (chevy)
• Electro hydraulic power steering module
• Four wheel steering
• From i/p relay block b (diagram 3 of 5)
• G203 (near left "a" pillar)
• G401 (on spare tire hoist bracket)
• Gmc
• Hazard lamps switch
• Headlamp dimmer switch
• Headlamp switch
• Hvac control module
• I/p fuse block (lower left side of dash)
• I/p junction block (right side of dash)
• I/p relay block (near left kick panel)
• Ignition key alarm switch
• Inflatable restraint steering wheel module coil
• Instrument panel cluster
• Lamps switch
• Left rear turn signal lamp
• License lamp (left)
• License lamp (right)
• Luxury
• Multi- function accessory switch
• Nca
• Radio
• Rear lamps junction block (inside of left rear frame rail)
• Rear seat audio controller
• Rear seat entertainment assembly
• Remote playback device (cd player)
• Right rear turn signal lamp
• S213 (in i/p harness)
• S216 (in steering column harness)
• S217 (in steering column harn)
• S320
• S423
• S424
• Steering wheel control switch assembly (lower left)
• Steering wheel control switch assembly (lower right)
• Steering wheel control switch assembly (upper left)
• Steering wheel control switch assembly (upper right)
• Steering wheel speed/ position sensor
• Tail/stop lamp (left)
• Tail/stop lamp (right)
• Tailgate marker lamp
• Tan
• To i/p relay block (diagram 3 of 5)
• Tow/haul switch
• Traction control switch
• Transfer case shift control module
• Transmission shift select switch
• Turn signal/ hazard flasher module
• Turn signal/ multifunction switch
• Vehicle communication interface module
• Window/ door lock switch (passenger)

Ground Distribution Wiring Diagram, Hybrid (4 of 5) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Hybrid (4 of 5) for Chevrolet Silverado 1500 HD 2005:

• (auto a/c) air temp sensor assembly (inside front)
• (auto a/c) air temp sensor assembly (inside rear)
• (base) driver unlock relay
• (except bose or luxury) auxiliary power outlet (front)
• (except bose or luxury) cigar lighter
• (if equipped) inflatable restraint disable switch
• (if equipped) power takeoff switch
• (if equipped) selectable ride switch
• (not used)
• (upfitter option) emergency vehicle roof lamp relay
• (upfitter option) roof beacon switch
• (upfitter option) wrecker relay
• (w conv package) driver door module
• (w conv package) passenger door module
• (w/o conv package) door latch assembly (driver)
• (w/o conv package) door latch assembly (passenger)
• (w/o conv package) window/ door lock switch (driver)
• (w/o conv package) window/ door lock switch (passenger)
• A12
• Auto a/c
• Automatic transmission shift lock solenoid
• Auxiliary power outlet (bin)
• Auxiliary power outlet (console)
• Auxiliary power outlet (front)
• Auxiliary power outlet switch
• Blower motor
• Blower motor resistor assembly
• C1 2f
• C1 a
• C1 b9
• C1 d
• C1 d9
• C1 f6
• C2 a
• C2 d
• C3 c
• C355 b
• C4 a
• C5 e
• C7 f
• C8 f
• C9 a
• Center high mounted stop lamp
• Cigar lighter
• Cool/fan relay
• Data link connector
• Dome lamp (front)
• Dome/ reading lamp (rear)
• Exc luxury
• G115 (right rear of engine compt)
• G200 (behind right side of dash, near right "a" pillar)
• Hd trailering equipment provision
• Headlamp switch
• Hvac control module
• I/p fuse block (lower left side of dash)
• I/p junction block (lower right side of dash)
• I/p relay block (near left kick panel)
• Inside rearview mirror
• Instrument panel cluster
• Lock relay
• Luxury
• Man a/c
• Overhead console
• Rear wheel steering switch
• Recirculation actuator
• Right cooling fan
• S205
• S215 (in brake clutch harness)
• S345
• S352
• Sunroof control module
• Sunroof switch
• Transfer case shift control switch
• Underhood cooling fan fuse block (left side of engine compt)
• Unlock relay
• Vanity mirror lamp (left)
• Vanity mirror lamp (right)
• Windshield wiper motor module

Ground Distribution Wiring Diagram, Hybrid (5 of 5) for Chevrolet Silverado 1500 HD 2005

List of elements for Ground Distribution Wiring Diagram, Hybrid (5 of 5) for Chevrolet Silverado 1500 HD 2005:

• (in 42v harness)
• 110v harness shield
• 42v harness shield
• B c1
• B c3
• B c341
• D c5
• Ehps 42v harness shield
• Electro hydraulic power steering module
• Energy storage box
• Energy storage control module
• Epto harness shield
• Epto outlet shield
• From left battery (diagram 1 of 5)
• G120 (right rear of eng compt)
• G121 (right rear of eng compt)
• G122 (left front of engine)
• G310 (in energy storage box)
• G311 (in energy storage box)
• G405 (right rear frame rail)
• Nca
• S120
• S124 (20.5 cm from c118)
• S128 (5 cm from c122 breakout)
• S129 (5 cm from ehps pump conn breakout)
• S130 (19 cm from starter/ generator control module conn)
• S134 (45 cm from c140 breakout)
• S326 (in 42v harness)
• S327 (15 cm from c341)
• S430 (5 cm from shielded nca ground wire breakout)
• S431 (in epto outlet pigtail)
• Starter/ generator control module (right rear of engine compt)