GMC Terrain 2018-present Electrical Specifications
Explore the detailed electrical specifications for the 2018-Present GMC Terrain. This guide covers battery, alternator, wiring, fuses, and ECU details, providing valuable insights for maintenance, troubleshooting, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2018-Present GMC Terrain. It includes information on the vehicle's electrical systems, components, and key features. Use this guide to understand the electrical architecture, power distribution, and advanced technologies integrated into the Terrain. The document is organized into sections for easy navigation, with subsections breaking down specific electrical aspects. Whether you're a technician, enthusiast, or owner, this guide will help you find the information you need efficiently.
How to Use
Use the search functionality to quickly locate specific terms or components. Enter keywords such as 'battery,' 'alternator,' or 'wiring' to find relevant sections. The search will highlight matching terms within the document for easy reference.
Navigate through the document using the section titles and subsections. Each major section covers a specific electrical aspect of the GMC Terrain. Click on a section to expand it and view detailed subsections. Use the table of contents for a quick overview of all available sections.
Key Specifications
Battery Voltage
12V
Alternator Output
150A
Headlight Type
LED
Fuse Box Count
2
Ambient Lighting
LED
Available Specifications
Battery and Charging System
This section covers the battery specifications, charging system, and related components in the GMC Terrain. It includes details on battery capacity, alternator output, and maintenance tips to ensure optimal performance.
Battery and Charging System
This section covers the battery specifications, charging system, and related components in the GMC Terrain. It includes details on battery capacity, alternator output, and maintenance tips to ensure optimal performance.
Battery Specifications
- 12V AGM (Absorbent Glass Mat) battery
- Cold Cranking Amps (CCA): 760A
- Reserve Capacity (RC): 120 minutes
- Battery life: 3-5 years under normal conditions
- Maintenance-free design
- Battery monitoring system included
Charging System
- Alternator output: 150A
- Smart charging technology for fuel efficiency
- Voltage regulator integrated into alternator
- Battery saver mode to prevent discharge
- Charging system warning indicator on dashboard
Electrical Distribution
This section details the electrical distribution system, including fuse boxes, wiring, and power management. Learn about the layout and function of key electrical components.
Electrical Distribution
This section details the electrical distribution system, including fuse boxes, wiring, and power management. Learn about the layout and function of key electrical components.
Fuse Boxes
- Two main fuse boxes: engine compartment and interior
- Engine compartment fuse box: 40 fuses
- Interior fuse box: 25 fuses
- Fuse map provided in owner's manual
- Spare fuses included in fuse box
- Fuse puller tool provided
Wiring and Connectors
- High-quality, corrosion-resistant wiring
- Color-coded wiring for easy identification
- Weatherproof connectors for durability
- Shielded wiring for sensitive electronics
- Modular wiring harnesses for simplified repairs
Lighting Systems
Explore the lighting systems in the GMC Terrain, including headlights, taillights, and interior lighting. This section provides details on bulb types, LED technology, and lighting controls.
Lighting Systems
Explore the lighting systems in the GMC Terrain, including headlights, taillights, and interior lighting. This section provides details on bulb types, LED technology, and lighting controls.
Exterior Lighting
- LED headlights with automatic high beams
- LED daytime running lights (DRLs)
- LED taillights with dynamic turn signals
- Fog lights with cornering function
- Automatic headlight activation
Interior Lighting
- LED ambient lighting with customizable colors
- Map lights and dome lights with delay-off feature
- Cargo area lighting with switch control
- Reading lights for front and rear passengers
- LED-lit vanity mirrors
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Component Specifications
Overview
- Type
- 12V DC System
- Configuration
- Negative Ground
- Platform
- GM E2XX
- Material
- Copper Wiring
- Location
- Front Engine Compartment
Dimensions
- Battery Length
- 10.5 in (266.7 mm)
- Battery Width
- 7 in (177.8 mm)
- Battery Height
- 8.5 in (215.9 mm)
- Alternator Diameter
- 5.9 in (150 mm)
- Alternator Length
- 8.3 in (210 mm)
- Fuse Box Width
- 6.7 in (170 mm)
- Fuse Box Depth
- 3.5 in (89 mm)
Materials
- Wiring
- Copper with PVC insulation
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum
- Fuse Box
- Thermoplastic
Features
- Lighting
-
- LED Headlights
- Daytime Running Lights
- Automatic High Beams
- LED Taillights
- Power Management
-
- Automatic Start/Stop System
- Battery Saver Mode
- Load Management
- Charging
-
- USB Ports (Front and Rear)
- Wireless Charging Pad
- 120V Power Outlet
- infotainment
-
- 8-inch Touchscreen Display
- Bluetooth Connectivity
- Apple CarPlay
- Android Auto
- Safety Tech
-
- Blind Spot Monitoring
- Lane Departure Warning
- Rear Cross Traffic Alert
Safety Features
- Circuit Protection
-
- Fuse Protection
- Circuit Breakers
- Ground Fault Detection
- Battery Safety
-
- Battery Thermal Protection
- Overcharge Prevention
- Wiring Safety
-
- Heat-Resistant Insulation
- Crash Detection Shutoff
Comfort Features
- Climate Control
-
- Dual-Zone Automatic Climate Control
- Rear Vents
- Heated Steering Wheel
- Seating
-
- Heated Front Seats
- Power Adjustable Driver Seat
- Memory Settings
- Audio
-
- Bose Premium Sound System
- 6 Speakers
- AM/FM Radio
Accessories
- Charging
-
- USB Adapter
- Wireless Charger
- 12V to USB Converter
- Lighting
-
- LED Interior Lights
- Fog Light Kit
- Cargo Area Light
- Tech
-
- OBD-II Scanner
- Bluetooth Adapter
- Dash Cam
Maintenance
- Service interval
- Every 12 months or 12,000 miles
- Service Items
-
- Battery Terminal Cleaning
- Alternator Belt Inspection
- Fuse Check
- Wiring Harness Inspection
- Ground Connection Check
- Maintenance Notes
- Use only manufacturer-recommended parts for replacements.
Warranty
- Battery Warranty
- Years: 3Miles: 36000Coverage: Replacement for defects
- Electrical System Warranty
- Years: 5Miles: 60000Coverage: Repair or replacement
- Alternator Warranty
- Years: 3Miles: 36000Coverage: Replacement for failure
- Warranty Terms
- Includes parts and labor for covered components.
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Automated Wiring Harness Assembly
- Quality Control Testing
- Environmental Compliance
- Quality Control
- Testing: High-Voltage TestingStandards: ISO 9001 Certified
- Sustainability
-
- Recyclable Materials
- Energy-Efficient Production
- Reduced Waste
- Production Metrics
- Units Per Year: 250000Defect Rate: Less than 0.1%
Service Information for electrical Service
Maintenance and service requirements specific to this component
- Inspect battery terminals
- Check alternator belt tension
- Test battery voltage
- Inspect wiring harness
- Clean ground connections
Ensure all connections are secure and corrosion-free.
- Replace alternator belt if worn
- Test alternator output
- Inspect fuses and relays
- Check charging system performance
- Test starter motor
Use diagnostic tools for accurate testing.
- Replace battery if necessary
- Inspect and clean all electrical connections
- Test all lighting circuits
- Check for wiring insulation wear
- Perform full electrical system diagnostic
Replace components showing signs of wear or failure.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2018-Present GMC Terrain?
What are the electrical system specifications for the 2018-Present GMC Terrain?
The 2018-Present GMC Terrain features a 12-volt electrical system with a maintenance-free battery. It includes advanced features like automatic start-stop technology, a 7-inch diagonal GMC Infotainment System, and compatibility with Apple CarPlay and Android Auto. The vehicle also supports a 110-volt power outlet and USB ports for charging devices. The electrical system is designed to work seamlessly with the vehicle's advanced safety and driver-assistance features.
Q2 What are the maintenance requirements for the electrical system in the GMC Terrain?
What are the maintenance requirements for the electrical system in the GMC Terrain?
The electrical system in the GMC Terrain requires regular checks to ensure optimal performance. Inspect the battery terminals for corrosion and clean them as needed. Ensure the alternator belt is in good condition and replace it if worn. Check the battery voltage and replace it if it falls below 12.4 volts. Regularly update the infotainment system software to access the latest features and security patches.
Q3 How do I replace the battery in my GMC Terrain?
How do I replace the battery in my GMC Terrain?
To replace the battery in your GMC Terrain, first, turn off the engine and remove the key from the ignition. Open the hood and locate the battery. Disconnect the negative terminal first, followed by the positive terminal. Remove the battery hold-down clamp and carefully lift the battery out. Install the new battery, secure it with the hold-down clamp, and reconnect the positive terminal first, followed by the negative terminal. Ensure all connections are tight and secure.
Q4 What should I do if my GMC Terrain's electrical system is malfunctioning?
What should I do if my GMC Terrain's electrical system is malfunctioning?
If your GMC Terrain's electrical system is malfunctioning, start by checking the battery connections for corrosion or looseness. Test the battery voltage with a multimeter; it should read around 12.6 volts when the engine is off. Check the fuses and replace any that are blown. If the issue persists, inspect the alternator and wiring for damage. If you cannot identify the problem, consult a certified GMC technician for a thorough diagnostic.
Q5 How can I optimize the performance of my GMC Terrain's electrical system?
How can I optimize the performance of my GMC Terrain's electrical system?
To optimize the performance of your GMC Terrain's electrical system, regularly check and maintain the battery and alternator. Use a battery charger to keep the battery fully charged, especially during long periods of inactivity. Avoid overloading the electrical system by using high-power accessories sparingly. Regularly update the infotainment system software to ensure compatibility with the latest devices and features. Drive the vehicle regularly to keep the battery charged.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
GMC Terrain Owner's Manual
Coming SoonComprehensive guide covering all aspects of the GMC Terrain, including electrical system maintenance, troubleshooting, and safety information.
Technical Service Bulletin for Electrical System Updates
Coming SoonLatest updates and fixes for the GMC Terrain's electrical system, including software patches and hardware recommendations.
GMC Terrain Parts and Accessories Catalog
Coming SoonDetailed catalog of genuine GMC parts and accessories for the Terrain, including electrical components and installation instructions.
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