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Power Distribution — Chevrolet Silverado 1500 2012 Wiring Diagram

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (1 of 7) for Chevrolet Silverado 1500 2012:

(in fuse block jumper harness) j210
(in fuse block jumper harness) j211
(in fuse block jumper harness) j224
(in roof console) emergency vehicle roof lamp relay
(not used)
(on lower left front of engine) (except 4.3l) g102
125a
175a
2b5
4 speed a/t
6 speed a/t
6.0l (vin g)
6.0l (vin j)
60a
Automatic a/c
Automatic transmission
Auxiliary battery relay (if equipped) (rear of engine compt)
Auxiliary battery run relay
Body builder emergency lamp
Body control module (bcm)
Dash)
Data link connector (dlc)
Ecm- batt fuse 12 10a
Engine control module (ecm)
Evaporative emission (evap) canister vent solenoid valve
Except 6.0l (vin j)
Fuse a 30a
Fuse b 30a
Fuse c 30a
Fuse d 30a
G103 (on front of right cylinder head)
G107 (4.3l) (top left rear of engine)
G200 (on right front corner of hvac module)
Generator
Hdlp wash fuse 22 20a
Heated seat control module (if equipped)
Hvac batt fuse 39 10a
Hvac control module
I/p 1 accessory power outlet
Instrument panel cluster (ipc)
Ipc fuse 46 10a
Itbc fuse 6 15a
J145
J200
J209 (in fuse block jumper harness)
J219
Left battery
Left i/p j/b (lower left x2 side of dash)
Ltr fuse 53 20a
Manual a/c
Red
Relay a
Relay b
Right battery
Right i/p j/b (in right end of x2
Seo b2 fuse 37 30a
Starter motor
Stud 2 fuse 63 30a
Tcm-batt fuse 14 15a
To auxiliary fuse block (diagram 7 of 7)
To left i/p j/b (diagram 4 of 7)
To roof beacon switch (diagram 2 of 7)
To stud 1 fuse 68 (diagram 2 of 7)
To underhood fuse block (diagram 2 of 7)
To underhood fuse block (diagram 3 of 7)
To underhood fuse block (diagram 6 of 7)
Trailer brake control module (if equipped)
Trailer brake control relay (if equipped)
Transfer case encoder motor
Transfer case shift control module
Transmission control module (tcm)
Trec fuse 67 30a
Underhood fuse block (left side of engine compt)
Underhood fuse holder (on positive battery terminal)
W/ active 2 speed
W/ auxiliary battery
W/ electronic 2 speed & active 2 speed
W/ emergency vehicle roof lamp relay
W/ wrecker emergency lamp provisions
W/ wrecker relay
Wrecker relay
Wsw/htr fuse 66 60a
X109
X116
X122
X14
X205
X214
X224
X228
X313
X331

Power Distribution Wiring Diagram (2 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (2 of 7) for Chevrolet Silverado 1500 2012:

116

& vacuum/hydraulic brakes
(in camper harness) j414
(in sliding rear window jumper harness) j336
(left side of dash) i/p fuse block
(not used)
(w/ individual front seat) j315
2b1
3b4
6.0l (vin j)
Abs-1 fuse 61 40a
Abs-2 fuse 9 25a
Bcm fuse 10a
Blower motor control module
Body control modue (bcm)
Comfort & decor level 3 convenience package
Comfort & decor level 3 convenience package & luxury
Cooled seats fuse 24 30a
Crew cab
Ctsy fuse 15a
Ddm fuse 4 15a
Dim fuse 10a
Driver door lock/ window switch
Driver seat 2 circuit breaker cb3 25a
Driver seat adjuster switch
Driver window switch
Dsm fuse 10a
Elec run board fuse 65 30a
Electronic brake control module (ebcm)
Except 4.3l/6.0l (vin g)
Except comfort & decor level 3 convenience package & luxury
Extended cab & power window
From fusible link 3 (diagram 1 of 7)
From ipc f fuse 46 (diagram 1 of 7)
From right i/p j/b (diagram 1 of 7)
Fscm fuse 21 20a
Fuel pump flow control module
Fuel pump/ trailer brake control module
G200 (on right front corner of hvac module)
Heavy duty abs fuse 59 60a
Hvac blwr fuse 70 40a
J313
J323
Lbec 1 fuse 64 60a
Left i/p j/b (lower left side of dash)
Left i/p j/b (lower left side x1
Left rear window switch
Lt dr circuit breaker 25a
Mbec 1 fuse 69 60a
Memory seat module (msm)
Obs det fuse 20 10a
Of dash)
Outside rearview mirror switch
Pass seat 1 circuit breaker cb2 25a
Passenger door lock/ window switch
Passenger seat adjuster switch
Passenger seat lumbar switch
Passenger window switch
Pwr mir fuse 2a
Pwr rear wndw circuit breaker cb4 25a
Rear hvac fuse 30a
Rear object sensor control module (w/ rear parking assist)
Rear seat fuse 20a
Rear wpr fuse 25a
Red
Remote control door lock receiver (rcdlr)
Right i/p j/b (in right end of dash) x6
Right i/p j/b (in right end of x3 dash)
Right rear window switch
Roof beacon relay (in overhead console)
Roof beacon switch
Rt doors circuit breaker cb1 25a
Rt stop trn fuse 8 15a
S/roof fuse 34 30a
Sliding rear window close relay
Sliding rear window open relay
Stud 1 fuse 68 (w/ auxiliary battery) 40a
Sunroof module
To lgm fuse 71 (diagram 3 of 7)
To pdm fuse (diagram 3 of 7)
To pdm fuse 9 (diagram 3 of 7)
To splice j318 (diagram 4 of 7)
Trailer connector
Underhood fuse block (left side of engine compt)
W/ active & vacuum brake & 10 series
W/ active brake
W/ active brake & 10 series
W/ active brake & w/o 10 series
W/ camper trailer provision
W/ driver power seat adjuster
W/ hydraulic brakes 6.0l (vin j)
W/ individual front seat
W/ individual front seat & power mirror
W/ integrated trailer brake control
W/ passenger power seat adjuster
W/ power window
W/ rear power window
W/ roof beacon relay
W/ roof mounted light provi- lions
W/ sunroof
W/ wrecker & emergency vehicle roof lamp relay
W/o camper trailer provision
W/o individual front seat
W/o individual front seat & power mirror
W/o integrated trailer brake control
X10
X11
X12
X129
X303
X304
X305
X313
X320
X414
X700
X800

Power Distribution Wiring Diagram (3 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (3 of 7) for Chevrolet Silverado 1500 2012:

(in pto jumper harness) (w/ power take off) j127
(left side of dash) i/p fuse block
(not used)
(on right front corner of hvac module) g200
2a1
3b2
Air bag batt fuse 45 15a
Alc/comp fuse 58 40a
Amp fuse 41 30a
Audio amplifier (premium performance enhanced audio speaker system)
Audio speaker system
Automatic a/c
Automatic transmission auxiliary fluid pump control module
Aux pwr 2 fuse 2 20a
Aux pwr fuse 20a
Body control module (bcm)
Center console accessory power outlet
Center seat accessory power outlet (w/ full feature center seat)
Chime module
Crew cab w/ individual front seat
Crew cab/ extended cab w/ performance exhanced audio & front compartment console
Dash)
Digital radio receiver (if equipped)
Esc/alc exh fuse 2 30a
From auxiliary battery run relay (diagram 1 of 7)
From fscm fuse 21 (diagram 2 of 7)
From left i/p j/b (diagram 2 of 7)
From lt dr circuit breaker (diagram 2 of 7)
G304 (on lower right "b" pillar)
Garage door opener (gdo)
Hvac control module
I/p 2 accessory power outlet
Inflatable restraint passenger presence system (pps) module (if equipped)
Inflatable restraint sensing & diagnostic module (sdm)
Info fuse 22 10a
Is lps fuse 10a
J203
J304
Lbec 2 fuse 72 60a
Left i/p j/b (lower left side of dash)
Left i/p j/b (lower left side x10
Lgm fuse 71 30a
Lock pcb relay
Lock/unlock pcb relay
Lt stop trn fuse 6 15a
Manual a/c
Nca
Of dash)
Passenger door lock/ window switch
Pdm fuse 9 (w/ comfort & decor level 3 convenience package) 15a
Performance enhanced
Power locks w/o individual front seat & power mirror
Power take off (pto) relay
Premium performance enhanced
Pto fuse 47 15a
Radio
Rdo fuse 42 15a
Rear seat audio (rsa) control (if equipped)
Right i/p j/b (in right end of dash)
Right i/p j/b (in right end of x3
Rse fuse 19 5a
Stop lamps fuse 15a
To body control module (diagram 4 of 7)
To dlis fuse 35 (diagram 4 of 7)
Underhood fuse block (left side of engine compt)
Unlock pcb relay
Vehicle communication interface module (vcim)
Video display
W/ aux- iliary battery
W/ custom front compartment floor console
W/ front bench seat
W/ individual front seat
W/ individual front seat & power mirror
W/ luxury
W/ rear seat entertain- ment package
W/ universal garage door opener
W/ wrecker emergency lamp, roof lamp & body builder emergency lamp
W/o aux- iliary battery
W/o individual front seat
W/o luxury
W/o luxury & radio
W/o radio
W/onstar
Windshield washer solvent heater (if equipped)
X11
X123
X124
X150
X212
X301
X304
X305
X306
X319

Power Distribution Wiring Diagram (4 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (4 of 7) for Chevrolet Silverado 1500 2012:

(in instrument panel harness) j231
(in passenger seat harness, 15 cm from seat adjuster motor breakout) j318
(in steering column harness) j216
(not used)
12v
2b3
4 speed a/t w/ accessory steering wheel & automatic electronic cruise control
6 speed a/t
Acc
Acc volt
Automatic transmission manual shift switch
Automatic transmission shift lever
Body control module (bcm)
Column harness) j213
Comfort & decor level 3 convenience package w/o individual front seat & power mirror
Dash)
Dlis fuse 35 2a
Driver seat back ventilation heating & cooling module
Driver seat cushion ventilation heating & cooling module
Driver window switch
Except comfort & decor level 3 convenience package w/ individual front seat & power mirror
From cooled seats fuse 24 (diagram 2 of 7)
From lbec 2 fuse 72 (diagram 3 of 7)
From mobile radio fuse block (diagram 1 of 7)
From underhood fuse block (diagram 3 of 7)
Ign
Ignition switch
Inflatable restraint steering wheel module coil
J212 (in steering column harness)
Key in ignition switch
Left i/p j/b (lower left side of dash)
Left steering wheel control switch
Nca
Off
Passenger seat back ventilation heating & cooling module
Passenger seat cushion ventilation heating & cooling module
Passenger window switch
Pnk
Rear sliding window switch (if equipped)
Right i/p j/b (in right end of x2
Right steering wheel control switch
Run
Start
Sunroof control module (if equipped)
Theft deterrent module (tdm)
To run/crnk relay (diagram 5 of 7)
To underhood fuse block (diagram 5 of 7)
Transfer case shift control switch
Underhood fuse block (left side of engine compt)
W/ accessory steering wheel & automatic electronic cruise control
W/ accessory steering wheel control
W/ power window
W/ seat heater
W/o accessory steering wheel & automatic electronic cruise control
W/o accessory steering wheel control
X14
X201
X202
X219
X303
X304
X305
X313
X500
X600

Power Distribution Wiring Diagram (5 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (5 of 7) for Chevrolet Silverado 1500 2012:

103

(in chassis harness) (6.0l (vin j)) j301
(in engine harness) j130
(in fuse block jumper harness) j220
(lower left side of dash) left i/p j/b
(not used)
4 speed a/t
6 speed a/t
6.0l (vin j)
7.5a
A/c cmprsr relay
Air bag ign fuse 40 10a
Automatic transmission (4 speed a/t)
Automatic transmission (6 speed a/t & 2 mode hybrid)
Aux hvac- ign fuse 48 10a
Bck/up lamp pcb relay
Chmsl pcb relay
Climate control seat module
Digital video disc (dvd) control module (if equipped)
Drive motor generator power inverter module (6.0l (vin j))
Drl pcb relay
Ecm-ign fuse 56 15a
Electric shift & active 2 speed
Electronic brake control module (ebcm) (if equipped)
Electronic compass module (comfort & decor level 3 convenience package)
Engine control module (ecm)
Except 4.3l & 6.0l (vin g)
Fog lamp relay
From body control module (diagram 4 of 7)
From dlis fuse 35 (diagram 4 of 7)
Front drive axle actuator (w/ active 2 speed push- button control transfer case)
Frt wash pcb relay
Frt wpr fuse 36 25a
Fuel pmp relay
Fuel pump flow control module
G107 (4.3l) g102 (except 4.3l) (4.3l: top left rear of engine) (except 4.3l: on lower left front of engine)
Hdlp lo/hid relay
Heated steering wheel control module
Heated steering wheel control module inline fuse
Hi beam pcb relay
Horn pcb relay
Hvac-ign fuse 55 10a
Inflatable restraint i/p module on/off indicator (if equipped)
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm) (if equipped)
Instrument panel cluster (ipc)
J105
L/gate pcb relay
Left air temperature actuator (automatic a/c)
Left i/p j/b (lower left side of dash)
Misc ign fuse 43 10a
Mode actuator
Nca
Park lamp relay
Pnk
Rear defog relay
Rear view camera
Rear wash pcb relay
Recirculation actuator
Red
Right air temperature actuator (automatic a/c) air temperature actuator (manual a/c)
Right i/p j/b (in right end of dash)
Run/ crnk relay
Secondary fuel pump (6.0l (vin g) w/o auxiliary (fscm) fuel tank)
Seo/alc fuse 54 10a
Stop lamp switch
Strtr relay
To fan-1 fuse 57 (diagram 6 of 7)
To j280 (diagram 6 of 7)
Trailer brake control module (if equipped)
Trans ign 1 fuse 19 15a
Transfer case shift control module (if equipped)
Transmission control module (tcm)
Trlr lt stop/turn pcb relay
Trlr rt stop/turn pcb relay
Underhood fuse block (left side of engine compt)
W/ 2 speed electric shift control transfer case
W/ 2 speed manual shift control transfer case & active 2 speed push button control transfer case
W/ active 2 speed push button control transfer case
W/ front seat cooling heater
W/ spo accessory rear view camera
W/ steering wheel heater
W/o 2 speed electric shift control transfer case
W/o 2 speed manual shift control transfer case & active 2 speed push button control transfer case
W/o active 2 speed push button control transfer case
W/o front seat cooling heater
W/o spo accessory rear view camera
W/o steering wheel heater
Wiper control pcb relay
Wiper speed pcb relay
X102
X11
X110
X12
X14
X175
X201
X205
X209
X210
X276
X304
X305

Power Distribution Wiring Diagram (6 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (6 of 7) for Chevrolet Silverado 1500 2012:

(except 6.0l (vin j))
(except 6.0l (vin j)) fan hi relay
(except 6.0l (vin j)) fan lo relay
(in ignition coil jumper harness, between ignition coils 5 & 7) j107
(in spo theft harness) j227
(instrument panel harness, 6.5 cm from x205 breakout)
(not used)
4.3l
6.0l (vin g)
6.0l (vin j)
Central sequential fuel injection (central sfi)
Comfort & decor level 3 convenience package & w/ luxury
Eap fuse 38 15a
Ecm/throt cont fuse 5 15a
Electronic adjustable pedals pcb relay
Eng fuse 4 15a
Engine control module (ecm)
Evaporative emission (evap) canister purge solenoid valve
Except 4.3l
Except 4.3l & 6.0l
Except hybrid
Fan cntrl relay
Fan-1 fuse 57 40a
Fan-2 fuse 60 40a
From auxiliary battery run relay (diagram 1 of 7)
From frt wpr p fuse 36 (diagram 5 of 7)
From left i/p j/b (diagram 5 of 7)
Fuel injector
H pnk
Heated oxygen sensor (ho2s) bank 1 sensor 1
Heated oxygen sensor (ho2s) bank 1 sensor 2 (except 4.3l)
Heated oxygen sensor (ho2s) bank 2 sensor 1
Heated oxygen sensor (ho2s) bank 2 sensor 2 (except 4.3l)
Hybrid
Ignition coil 1
Ignition coil 3
Ignition coil 5
Ignition coil 7
Ignition control module (icm)
Inj-a fuse 24 20a
J128
J280
Mass air flow (maf)/ intake air temperature (iat) sensor
Nca
O2-a snsr fuse 18 10a
O2-b snsr fuse 8 10a
Park enable pcb relay
Pnk
Pnk (in engine harness)
Power take off (pto) module (if equipped)
Pwr/ trn relay
Rearview camera image display module
Red
Security indicator lamp
Seo b1 fuse 52 15a
Serial data gateway (sdg) module (hybrid)
To auxiliary fuse block (diagram 7 of 7)
To inj-b fuse 13 (diagram 7 of 7)
Underhood fuse block (left side of engine compt)
Valve lifter oil manifold (vlom) assembly (5.3l & 6.0 l)
Vehicle inclination sensor
Vehicle shock sensor
W/ 10 series
W/ auxiliary battery
W/ engine control power take off (pto) controls
W/ rear view camera
W/ spo alarm
W/o engine control power take off (pto) controls
W/o rear view camera
X111
X115
X123
X124
X131
X14
X2 left i/p j/b (lower left side of dash)
X227

Power Distribution Wiring Diagram (7 of 7) for Chevrolet Silverado 1500 2012

List of elements for Power Distribution Wiring Diagram (7 of 7) for Chevrolet Silverado 1500 2012:

(left side of engine compt) (6.0l (vin j)) auxiliary fuse block
(not used)
6.0l (vin j)
A/c compressor
Accessory dc power control module
Accm fuse 3 15a
Acpo fuse 1 25a
Automatic transmission auxiliary fluid pump control module
Becm fan fuse 2 15a
Becm fuse 10 15a
Cab htr pump relay
Cool pump relay
Drive motor generator battery
Drive motor generator battery control module
Drive motor generator power inverter module
Electronic power steering motor control module
Eps fuse 7 15a
Fan 1 fuse 40a
Fan 2 fuse 40a
Fan cntrl relay
Fan hi relay
Fan lo relay
Fan mid 1 relay
Fan mid 2 relay
From eng fuse 4 (diagram 6 of 7)
From right battery (diagram 1 of 7)
From underhood fuse block (diagram 6 of 7)
Fuel injector
Generator battery vent fan relay
Ignition coil 2
Ignition coil 4
Ignition coil 6
Ignition coil 8
Inj-b fuse 13 (except 4.3l) 20a
J395
Mega fuse 200a
Nca
Pim 1 fuse 8 15a
Pim 2 fuse 9 15a
Pnk
Pnk (in ignition coil jumper harness, between ignition coils 4 & 2) j110
Red
Serial data gateway (sdg) module
Trans pump fuse 60a
Underhood fuse block (left side of engine compt)
X113
X150
X215
X350

POWER DISTRIBUTION – Chevrolet Silverado 1500 2012 – SYSTEM WIRING DIAGRAMS