This Chevrolet Colorado wiring diagram manual package provides complete electrical circuit schematics for the uploaded 2015, 2016, 2018, 2019, 2020 and 2022 Colorado 3.6L models.
It is designed for professional diagnostics, wiring repair, electrical troubleshooting, connector tracing, module testing, retrofit planning and workshop repair reference.
The manuals cover major electrical systems including ECM engine control, BCM body control, ABS, low-speed and high-speed GMLAN communication, HVAC, cooling fan, electronic power steering, power distribution, ground distribution, exterior lighting, interior lighting, navigation, radio, supplemental restraints, transmission, warning systems and wiper/washer wiring.
Vehicle Coverage
- Chevrolet Colorado 2015 LT
- Engine: 3.6L
- Pages: 107
- Chevrolet Colorado 2016 WT
- Engine: 3.6L
- Pages: 118
- Chevrolet Colorado 2018 WT
- Engine: 3.6L
- Pages: 128
- Chevrolet Colorado 2019 LT
- Engine: 3.6L
- Pages: 129
- Chevrolet Colorado 2020 ZR2
- Engine: 3.6L
- Pages: 129
- Chevrolet Colorado 2022 LT
- Engine: 3.6L
- Pages: 130
- Engine circuit coverage included:
- 3.6L VIN 3
- 3.6L VIN N
- Additional 2.5L and 2.8L circuit variants appear in some manuals where included by the source diagrams
- Total package size:
- 741 pages
Technical Highlights
- Complete Chevrolet Colorado 3.6L wiring coverage
- ECM / Engine Control Module circuits
- BCM / Body Control Module wiring
- ABS and Electronic Brake Control Module circuits
- Low-speed and high-speed GMLAN data line diagrams
- Active grille air shutter wiring on later coverage
- Power distribution and fuse block diagrams
- Ground distribution circuits
- HVAC, blower motor, A/C compressor and air temperature sensor wiring
- Cooling fan, coolant temperature and fan control circuits
- Exterior lights, headlights, backup lamps and horn wiring
- Interior lights, courtesy lamps and instrument illumination circuits
- Navigation, radio, camera and infotainment circuits
- Electronic power steering circuits
- Power seats, power windows, mirrors and door lock wiring
- Shift interlock, starting, charging and automatic transmission wiring
- Supplemental restraints, warning systems and wiper/washer circuits
Table of Content
- Active Bodyworks
- Active grille air shutter circuit
- Active grille shutter actuator wiring
- ECM and instrument cluster links
- LIN bus and GMLAN control wiring
- Air Conditioning
- Automatic A/C circuit
- HVAC control module wiring
- Blower motor and blower motor control module
- A/C compressor clutch and compressor solenoid valve
- A/C refrigerant pressure sensor
- Ambient light / sunload sensor
- Windshield temperature and inside moisture sensor
- Inside air temperature sensor
- Duct air temperature sensors
- Air temperature door actuator circuits
- Auxiliary heater control where included
- Rear defogger relay control links
- Anti-Lock Brakes
- Anti-lock brakes circuit
- Electronic Brake Control Module wiring
- Brake pressure modulator circuits
- Wheel speed sensor circuits
- Steering wheel angle sensor
- Brake pedal position sensor
- Trailer brake control signal where included
- GMLAN communication links
- Anti-Theft
- Forced entry circuit
- Pass-Key circuit
- Hood ajar switch wiring
- Door lock and anti-theft links
- Theft deterrent and BCM security circuits
- Instrument cluster security communication
- Body Control Modules
- Body Control Module circuit
- BCM power, ground and signal wiring
- Lighting, locks, HVAC and instrument cluster links
- Brake apply sensor links
- Door lock and anti-theft connections
- Power window and interior lighting links
- GMLAN data communication wiring
- Computer Data Lines
- Computer data lines circuit
- Low-speed GMLAN serial data
- High-speed GMLAN serial data
- LIN bus circuits
- Data link connector wiring
- ECM, BCM, ABS, HVAC, radio, cluster and transmission communication links
- Cooling Fan
- Cooling fan circuit
- Cooling fan control module wiring
- Cooling fan clutch where included
- Cooling fan relay circuits
- Engine coolant temperature sensor links
- ECM fan control wiring
- Cruise Control
- Cruise control circuit
- Brake apply sensor wiring
- Accelerator pedal position sensor links
- Steering wheel control switch wiring
- ECM and transmission communication links
- Defoggers
- Defoggers circuit
- Rear defogger switch wiring
- Rear defogger relay control
- Heated rear glass and HVAC control links
- Electronic Power Steering
- Electronic power steering circuit
- Power steering control module wiring
- Steering system power and ground circuits
- GMLAN communication links
- Engine Performance
- 3.6L VIN 3 engine performance circuit
- 3.6L VIN N engine performance circuit
- ECM power, ground and relay wiring
- Fuel injector circuits
- Ignition coil control circuits
- Throttle body and accelerator pedal position sensor wiring
- Camshaft and crankshaft sensor circuits
- Engine coolant temperature sensor wiring
- Fuel rail pressure and fuel pump control circuits
- Oxygen sensor and emission control wiring
- EVAP purge and vent solenoid circuits
- A/C pressure, cooling fan and charging system links
- High-speed GMLAN drivetrain communication
- Exterior Lights
- Backup lamps circuit
- Exterior lamps circuit
- Front and rear exterior lighting wiring
- Turn signal, marker lamp, stop lamp and tail lamp circuits
- Trailer lighting wiring where included
- BCM-controlled lighting links
- Ground Distribution
- Ground distribution circuits
- Engine compartment ground points
- Chassis ground points
- Instrument panel ground circuits
- Body, HVAC, lighting, infotainment and module grounds
- Headlights
- Headlights circuit
- Headlamp switch wiring
- Low beam and high beam control
- Daytime running lamp circuits
- BCM-controlled headlamp links
- Horn
- Horn circuit
- Horn relay and horn switch wiring
- BCM horn control links
- Instrument Cluster
- Instrument cluster circuit
- Driver information center display
- Engine coolant temperature gauge
- Warning indicator wiring
- GMLAN communication links
- Interior Lights
- Courtesy lamps circuit
- Instrument illumination circuit
- Interior lamp dimming control
- Interior lamp defeat switch links
- BCM-controlled lighting circuits
- Navigation
- Navigation circuit
- Rear view camera circuit
- Display and infotainment wiring
- Antenna and communication links
- Parking and camera-related wiring where included
- Power Distribution
- Power distribution circuits
- Underhood fuse block wiring
- Instrument panel fuse block wiring
- Battery fuse and main power feed circuits
- Relay, fuse and ignition feed diagrams
- ECM, BCM, HVAC, ABS, lighting and transmission power feeds
- Power Door Locks
- Power door locks circuit
- Door lock actuator wiring
- Lock / unlock switch circuits
- Child lockout indicator control
- BCM and anti-theft door lock links
- Power Mirrors
- Power mirrors circuit
- Outside rearview mirror wiring
- Mirror adjustment and switch circuits
- Heated mirror links where included
- Power Seats
- Driver power seat circuit
- Passenger power seat circuit
- Heated seat circuits where included
- Seat motor and adjustment wiring
- Seat module power and ground circuits
- Power Windows
- Power windows circuit
- Driver and passenger window switch wiring
- Window motor circuits
- BCM power window links
- Radio
- Radio circuit
- Speaker wiring
- Audio system power and ground circuits
- Infotainment and communication links
- Auxiliary audio and display module wiring where included
- Shift Interlock
- Shift interlock circuit
- Brake signal wiring
- Shift lock control circuit
- Transmission and BCM interlock links
- Starting / Charging
- Charging circuit
- Starting circuit
- Starter relay and ignition switch wiring
- Generator and battery feed circuits
- ECM start and charging control links
- Supplemental Restraints
- Supplemental restraints circuit
- Airbag module wiring
- Impact sensor circuits
- Seat belt and pretensioner wiring
- Passenger presence and restraint warning links
- SRS diagnostic communication
- Transmission
- Transmission circuit
- Automatic transmission wiring
- Transmission Control Module links
- Shift solenoid and pressure control circuits
- Transmission range and speed sensor wiring
- GMLAN drivetrain communication links
- Warning Systems
- Warning systems circuit
- Instrument cluster warning indicators
- Brake warning and fluid level warning links
- Seat belt warning circuits
- TPMS / tire pressure monitoring where included
- System status warning circuits
- Wiper / Washer
- Wiper/washer circuit
- Windshield wiper motor wiring
- Washer pump and switch circuits
- Wiper relay and fuse block links
- BCM wiper/washer control wiring
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