Overview
This Chevrolet Silverado 1500 wiring diagram manual package provides complete electrical circuit schematics for the uploaded 2015–2016, 2018–2020 and 2022 Silverado 1500 / Silverado 1500 LD manuals.
It is designed for professional diagnostics, electrical troubleshooting, module testing, wiring repair, connector tracing, power and ground testing, retrofit planning, fleet maintenance and workshop repair reference.
The package covers major Silverado electrical systems including automatic and manual A/C, ECM engine control, BCM body control, ABS, low-speed and high-speed GMLAN communication, LIN bus, trailer ABS, trailer tow wiring, power distribution, ground distribution, exterior lighting, headlights, interior lights, radio, navigation, supplemental restraints, transmission, transfer case, electronic suspension and wiper/washer wiring.
Vehicle Coverage
- Chevrolet Silverado 1500 2015 LT
- Engine: 5.3L
- Pages: 146
- Chevrolet Silverado 1500 2016 High Country
- Engine: 6.2L
- Pages: 156
- Chevrolet Silverado 1500 2018 High Country
- Engine: 6.2L
- Pages: 156
- Chevrolet Silverado 1500 LD 2019 Custom
- Engine: 5.3L
- Pages: 135
- Chevrolet Silverado 1500 2020 Custom Trail Boss
- Engine: 5.3L
- Pages: 207
- Chevrolet Silverado 1500 2022 RST
- Engine: 6.2L
- Pages: 229
- Engine circuit coverage included:
- 2.7L VIN K where included
- 3.0L VIN T Turbo Diesel where included
- 4.3L VIN H where included
- 5.3L VIN C / VIN D / VIN F where included
- 6.2L VIN J / VIN L where included
- Total package size:
- 1,029 pages
- Approx. total file size: 71.82 MB
- Format: PDF
- Language: English
The manuals include engine-performance circuit variants for 4.3L VIN H, 5.3L VIN C, 5.3L VIN D, 5.3L VIN F, 6.2L VIN J, 6.2L VIN L, 2.7L VIN K and 3.0L VIN T where applicable by year and manual coverage.
Technical Highlights
- Complete Chevrolet Silverado 1500 electrical wiring coverage
- ECM / Engine Control Module wiring
- BCM / Body Control Module circuits
- ABS and Electronic Brake Control Module diagrams
- Low-speed and high-speed GMLAN data line wiring
- LIN bus and serial data gateway circuits on later models
- Active grille air shutter / active bodyworks circuit on 2022 coverage
- Power distribution and fuse block diagrams
- Ground distribution circuits
- Automatic A/C, manual A/C and auxiliary heater wiring
- Cooling fan, A/C compressor and engine coolant pump circuits
- Exterior lamps, trailer tow, headlights and horn wiring
- Interior lighting, instrument illumination and cluster circuits
- Radio, navigation, display, camera and infotainment wiring
- Electronic power steering and electronic suspension circuits
- Electronic muffler circuit where included
- Power seats, memory seats, heated seats, mirrors and windows
- Door locks, anti-theft, Pass-Key and forced entry circuits
- Starting, charging, transmission and transfer case wiring
- Supplemental restraints, warning systems and wiper/washer circuits
Table of Content
- Active Bodyworks
- Active grille air shutter circuit
- Active grille air shutter actuator wiring
- Upper and lower active grille shutter links
- Instrument panel cluster control module links
- Engine wiring harness junction block
- Computer data line communication
- Air Conditioning
- Automatic A/C circuit
- Manual A/C circuit
- HVAC control module wiring
- HVAC controls and info display module
- Blower motor and blower speed control
- A/C compressor clutch wiring
- A/C compressor solenoid valve wiring
- A/C evaporator temperature sensor
- Windshield temperature and inside moisture sensor
- Ambient light / sunload sensor
- Duct air temperature sensors
- Mode door and air temperature door actuator circuits
- Electrical auxiliary heater where equipped
- Rear defogger relay control links
- Anti-Lock Brakes
- Anti-lock brakes circuit
- Electronic Brake Control Module wiring
- Brake pressure and brake position sensor wiring
- Wheel speed sensor circuits
- Traction control switch links
- Trailer ABS circuit
- ABS power, ground and serial data communication
- Anti-Theft
- Forced entry circuit
- Pass-Key circuit
- Immobilizer control module wiring
- Door latch and hood ajar switch wiring
- Content theft deterrent links
- Security indicator control
- BCM anti-theft communication
- Body Control Modules
- Body Control Module circuit
- BCM power, ground and signal wiring
- Lighting, locks, HVAC and cluster links
- Headlamp switch and park lamp signal wiring
- Brake apply and traction control links
- Remote function actuator receive signal
- Tailgate / endgate release links
- Wiper/washer and warning system links
- Low-speed and high-speed GMLAN communication
- Computer Data Lines
- Computer data lines circuit
- Low-speed GMLAN serial data
- High-speed GMLAN serial data
- Serial data gateway module circuits
- LIN / local interconnect network wiring
- Data link connector wiring
- ECM, BCM, ABS, HVAC, instrument cluster, radio and transmission communication
- Transfer case and chassis data communication
- Cooling Fan
- Cooling fan circuit
- Cooling fan motor wiring
- Cooling fan relay wiring
- Cooling fan speed control wiring
- Lower cooling fan motor on later coverage
- Engine coolant temperature links
- ECM cooling fan command wiring
- Cruise Control
- Cruise control circuit
- Brake signal and brake apply wiring
- Steering wheel control switch wiring
- Distance / driver-assistance links where included
- ECM and BCM cruise control communication
- Defoggers
- Defoggers circuit
- Rear defogger relay control
- Rear defogger switch and indicator wiring
- Heated mirror / glass links where equipped
- HVAC and BCM defogger communication
- Electronic Muffler
- Electronic muffler circuit
- Exhaust valve actuator wiring
- Muffler control signal wiring
- ECM-controlled exhaust system links
- Electronic Power Steering
- Electronic power steering circuit
- Power steering control module wiring
- Steering assist motor control links
- Steering system power and ground circuits
- GMLAN communication links
- Electronic Suspension
- Electronic suspension circuit
- Suspension control module wiring
- Ride control sensor circuits
- Suspension actuator wiring
- Chassis communication links
- Engine Performance
- 2.7L VIN K engine performance circuit
- 3.0L VIN T engine performance circuit
- 4.3L VIN H engine performance circuit
- 5.3L VIN C engine performance circuit
- 5.3L VIN D engine performance circuit
- 5.3L VIN F engine performance circuit
- 6.2L VIN J engine performance circuit
- 6.2L VIN L engine performance circuit
- ECM power, ground and relay wiring
- Fuel injector and ignition coil circuits
- Accelerator pedal position sensor wiring
- Throttle body control wiring
- Camshaft and crankshaft position sensor circuits
- High-pressure fuel pump and fuel line pressure sensor wiring
- Fuel tank pressure and fuel level sensor circuits
- EVAP purge and emission control wiring
- Oxygen sensor and exhaust sensor circuits
- Turbocharger-related circuits where included
- Active grille shutter links where included
- A/C pressure and compressor relay control links
- High-speed GMLAN drivetrain communication
- Exterior Lights
- Backup lamps circuit
- Exterior lamps circuit
- Trailer tow circuit
- Headlamp, park lamp and tail lamp wiring
- Stop lamp, turn signal and marker lamp circuits
- High Country package exterior lamp variants
- Regular cab, extended cab and crew cab lighting variants
- BCM-controlled exterior lighting links
- Ground Distribution
- Ground distribution circuits
- Engine compartment ground points
- Chassis and frame ground points
- Instrument panel ground circuits
- HVAC, lighting, infotainment and module grounds
- Seat, tailgate and rear body ground circuits
- Headlights
- Headlights circuit
- Headlamp switch wiring
- Low beam and high beam circuits
- HID / LED and non-HID variants where included
- Automatic headlamp control
- BCM-controlled headlamp links
- Horn
- Horn circuit
- Horn relay wiring
- Horn switch signal wiring
- BCM horn control links
- Instrument Cluster
- Instrument cluster circuit
- Driver information center display
- Engine coolant temperature gauge
- Warning indicator wiring
- Serial data and GMLAN communication
- Interior Lights
- Courtesy lamps circuit
- Instrument illumination circuit
- Interior lamp dimming control
- Dome, cargo and cab lighting circuits
- BCM-controlled interior lighting links
- Memory Systems
- Memory seat circuit
- Seat memory control module wiring
- Memory mirror links where equipped
- Driver preference / recall signal wiring
- Navigation
- Navigation circuit
- Infotainment display wiring
- Radio and antenna communication
- Camera / display links where included
- Data line communication with infotainment modules
- Power Distribution
- Power distribution circuits
- Battery distribution block wiring
- Underhood fuse block wiring
- Instrument panel fuse block wiring
- Engine wiring harness junction block
- Relay, fuse and ignition feed diagrams
- ECM, BCM, HVAC, ABS, radio and transmission power feeds
- Power Door Locks
- Power door locks circuit
- Door latch and lock actuator wiring
- Driver and passenger door lock switch wiring
- Keyless entry control links
- BCM lock and unlock control wiring
- Power Mirrors
- Power mirrors circuit
- Outside mirror adjustment wiring
- Heated mirror links where included
- Folding / memory mirror links where equipped
- Power Seats
- Driver power seat circuit
- Passenger power seat circuit
- Heated seat circuits
- Memory seat module wiring
- Seat adjuster and lumbar wiring
- Seat module power and ground circuits
- Power Top / Sunroof
- Power top / sunroof circuit
- Roof opening panel motor wiring
- Sunroof switch and power feed circuits
- Power Windows
- Power windows circuit
- Driver and passenger window switch wiring
- Window motor circuits
- Door harness and BCM communication links
- Crew cab / double cab window variants where included
- Radio
- Radio circuit
- Audio amplifier wiring
- Speaker wiring
- Antenna and infotainment communication
- OnStar / telematics links where included
- Steering wheel radio control switch links
- Shift Interlock
- Shift interlock circuit
- Shift lock solenoid wiring
- Brake signal and ignition mode links
- BCM and transmission interlock wiring
- Starting / Charging
- 2.7L VIN K starting and charging circuits
- 3.0L VIN T starting and charging circuits
- 4.3L starting and charging circuits where included
- 5.3L starting and charging circuits
- 6.2L starting and charging circuits
- Starter relay and starter enable wiring
- Generator and battery feed circuits
- Battery current sensor wiring
- ECM start and charge control links
- Supplemental Restraints
- Supplemental restraints circuit
- Inflatable restraint sensing and diagnostic module wiring
- Driver and passenger airbag circuits
- Seat belt and pretensioner wiring
- Passenger presence and seat position sensor wiring
- SRS diagnostic communication
- Transmission / Transfer Case
- Automatic transmission circuit
- Transmission Control Module wiring
- Transmission range and internal mode switch wiring
- Control solenoid valve assembly circuits
- 6-speed, 8-speed and 10-speed transmission links where included
- Transfer case circuit
- Two-speed manual transfer case circuit
- Transfer case shift control switch
- Front axle engagement actuator wiring
- High-speed GMLAN drivetrain communication
- Trunk, Tailgate, Fuel Door
- Tailgate / endgate release circuit
- Rear closure and latch wiring
- Fuel door links where included
- BCM release control wiring
- Warning Systems
- Warning systems circuit
- Instrument cluster warning indicators
- Brake, restraint and system status warning links
- Driver information center warnings
- Trailer and chassis warning links where included
- Wiper / Washer
- Wiper/washer circuit
- Front windshield wiper motor wiring
- Washer pump and switch circuits
- Wiper relay and BCM control links
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