Buick Terraza 2005-2007 Electrical Specifications
Explore the detailed electrical specifications for the 2005-2007 Buick Terraza, including battery, alternator, starter motor, wiring harness, and fuse box layouts. Essential for maintenance, repairs, and performance enhancements.
Electrical Specifications Overview Specifications
This document provides detailed electrical specifications for the 2005-2007 Buick Terraza. It covers essential systems such as the battery, alternator, lighting, and wiring. Use this guide to understand the electrical components, their configurations, and maintenance requirements. Navigate through the sections to find specific information or use the quick reference table for key specifications.
How to Use
Use the search functionality to quickly locate specific electrical components or systems by entering keywords such as 'battery' or 'lighting'.
Browse through the sections to explore detailed information. Each section is organized with subsections that break down the electrical systems into manageable parts.
Key Specifications
Battery Capacity
70 Ah
Alternator Output
140 Amps
Headlight Wattage
55 W (Low Beam)
Fuse Rating
5A to 40A
Voltage
12 V
Available Specifications
Battery and Charging System
This section covers the battery specifications, charging system components, and maintenance tips for the Buick Terraza. Learn about the battery type, capacity, and the alternator's output to ensure optimal performance.
Battery and Charging System
This section covers the battery specifications, charging system components, and maintenance tips for the Buick Terraza. Learn about the battery type, capacity, and the alternator's output to ensure optimal performance.
Battery Specifications
- Battery Type: Lead-Acid
- Capacity: 70 Ah
- Cold Cranking Amps (CCA): 650 A
- Voltage: 12 V
- Maintenance: Requires periodic inspection and cleaning
Alternator Details
- Output: 140 Amps
- Voltage: 14.4 V
- Belt Type: Serpentine
- Replacement Interval: Every 100,000 miles or as needed
Lighting Systems
Explore the lighting systems of the Buick Terraza, including headlights, taillights, and interior lighting. This section provides details on bulb types, wattage, and replacement procedures.
Lighting Systems
Explore the lighting systems of the Buick Terraza, including headlights, taillights, and interior lighting. This section provides details on bulb types, wattage, and replacement procedures.
Exterior Lighting
- Headlights: H11 (Low Beam), 9005 (High Beam)
- Taillights: 3157 Bulb
- Turn Signals: 3157 Bulb
- Wattage: 55 W (Low Beam), 65 W (High Beam)
Interior Lighting
- Dome Light: 578 Bulb
- Map Lights: 168 Bulb
- Wattage: 10 W (Dome), 5 W (Map)
- Replacement: Accessible via removable covers
Wiring and Fuses
This section provides information on the wiring harness, fuse box locations, and fuse ratings. Understand the electrical circuits and how to troubleshoot common issues.
Wiring and Fuses
This section provides information on the wiring harness, fuse box locations, and fuse ratings. Understand the electrical circuits and how to troubleshoot common issues.
Fuse Box Details
- Location: Under the dashboard and in the engine compartment
- Fuse Ratings: 5A to 40A
- Common Fuses: Headlight (20A), Horn (15A), Radio (10A)
Wiring Harness
- Material: Copper with PVC insulation
- Color Coding: Standard GM color scheme
- Maintenance: Inspect for wear and corrosion annually
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Component Specifications
Overview
- System Voltage
- 12V DC
- Battery Type
- Maintenance-free lead-acid
- Alternator Output
- 140 amps
- Fuse Box Locations
- Underhood, right side of engine compartment
- Wiring Harness Material
- Cross-linked polyethylene
Dimensions
- Battery Length
- 10.5 inches (26.67 cm)
- Battery Width
- 7 inches (17.78 cm)
- Battery Height
- 7.5 inches (19.05 cm)
- Alternator Diameter
- 5.25 inches (13.34 cm)
- Alternator Length
- 7.75 inches (19.68 cm)
- Fuse Box Width
- 8 inches (20.32 cm)
- Fuse Box Depth
- 3.5 inches (8.89 cm)
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Terminal Connectors
- Copper alloy
- Wiring Insulation
- Heat-resistant PVC
- Fuse Box
- Thermoplastic
Features
- Lighting System
-
- Halogen headlights
- LED tail lights
- Automatic headlight control
- Daytime running lights
- Charging System
-
- Voltage regulator
- Battery temperature sensor
- Charging system warning light
- Power Distribution
-
- Central junction box
- Smart fuse technology
- Circuit protection modules
- Accessory Power
-
- 12V power outlet in front console
- 12V power outlet in rear cargo area
- Auxiliary power distribution module
- instrumentation
-
- Battery voltage gauge
- Charging system indicator
- Low battery warning
Safety Features
- Circuit Protection
-
- Smart fuses
- Thermal circuit breakers
- Overcurrent protection
- Wiring Safety
-
- Flame-retardant insulation
- Crash sensor disconnect
- Short circuit protection
- Battery Safety
-
- Ventilated battery case
- Acid containment system
- Positive terminal cover
Comfort Features
- Climate Control
-
- Automatic temperature control
- Rear HVAC controls
- Dual-zone climate system
- Entertainment
-
- AM/FM stereo with CD player
- Steering wheel audio controls
- Rear seat audio controls
- Convenience
-
- Power windows with express-down
- Power door locks with remote
- Power sliding doors
Accessories
- Exterior Lighting
-
- Fog lamps
- Puddle lamps
- Cargo area lamp
- interior Lighting
-
- Map lights
- Dome light with delay
- Cargo area lighting
- Power Features
-
- Power adjustable pedals
- Power liftgate
- Power sunroof
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Battery terminal cleaning
- Alternator belt inspection
- Fuse box inspection
- Wiring harness inspection
- Ground connections check
- Maintenance Notes
- Inspect electrical system during routine maintenance, replace battery every 4-5 years
Warranty
- Battery Warranty
- 36 months or 36,000 miles
- Electrical System Warranty
- 3 years or 36,000 miles
- Alternator Warranty
- 5 years or 60,000 miles
- Wiring Harness Warranty
- 10 years or 120,000 miles
- Warranty Terms
- Covers defects in materials and workmanship, excludes normal wear items
Production Details
- Manufacturer
- Delphi Automotive Systems
- Manufacturing Process
-
- Automated wire harness assembly
- Robotic component assembly
- Precision molding of electrical components
- Quality Control
- Testing Procedures: High-voltage testing, Continuity testing, Load testinginspection Points: 15Failure Rate: 0.01%
- Sustainability Practices
-
- Recyclable materials in wiring
- Lead-free battery terminals
- Energy-efficient manufacturing
- Production Metrics
- Daily Output: 500 unitsDefect Rate: 0.5%Recycling Rate: 95%
Service Information for Electrical System Service
Maintenance and service requirements for the electrical system
- Inspect battery terminals and connections
- Check alternator belt tension
- Test battery voltage and charging system
- Inspect wiring harness for damage
- Verify operation of all electrical accessories
Use dielectric grease on battery terminals during service
- Perform load test on battery
- Inspect alternator output
- Check all ground connections
- Test operation of all fuses and relays
- Verify proper operation of charging system
Replace battery if test results indicate reduced capacity
- Replace alternator belt
- Inspect and clean all electrical connectors
- Test voltage drop across major circuits
- Verify proper operation of all safety systems
- Perform complete electrical system diagnostic
Consider replacing battery as preventive maintenance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the electrical system in the 2005-2007 Buick Terraza?
What are the technical specifications of the electrical system in the 2005-2007 Buick Terraza?
The 2005-2007 Buick Terraza features a 12-volt electrical system with a maintenance-free battery rated at 70 amp-hours. The alternator is a 150-amp unit, designed to support the vehicle's electrical demands. The system includes a fuse box located under the driver's side dashboard and a relay box in the engine compartment. Compatibility with aftermarket accessories requires adherence to GM specifications to ensure proper operation and avoid system damage.
Q2 What maintenance is required for the electrical system?
What maintenance is required for the electrical system?
Regular maintenance includes inspecting the battery terminals for corrosion, checking the alternator belt for wear, and ensuring all fuses and relays are functioning properly. Every 5 years or 100,000 miles, the battery should be tested and replaced if necessary. Additionally, electrical connections should be cleaned and secured to prevent voltage drops and system malfunctions.
Q3 How do I replace the battery in my Buick Terraza?
How do I replace the battery in my Buick Terraza?
To replace the battery, start by disconnecting the negative (black) cable, followed by the positive (red) cable. Remove the battery hold-down clamp and bracket, then lift the battery out of the compartment. Install the new battery, ensuring it is properly secured with the hold-down bracket. Reconnect the positive cable first, followed by the negative cable. Check the electrical system for proper operation after replacement.
Q4 Why are my dashboard lights flickering, and how can I fix it?
Why are my dashboard lights flickering, and how can I fix it?
Flickering dashboard lights may indicate a loose connection in the wiring harness, a failing alternator, or a weak battery. Start by checking the battery terminals for corrosion and ensuring all connections are secure. If the issue persists, test the alternator's voltage output using a multimeter. A voltage reading outside the 13.5-14.5V range may indicate a faulty alternator. Consult a professional if the problem is not resolved after these checks.
Q5 How can I improve the performance of my vehicle's electrical system?
How can I improve the performance of my vehicle's electrical system?
To optimize performance, ensure all electrical connections are clean and secure. Upgrade to a high-capacity battery if you've added aftermarket accessories like amplifiers or lighting. Avoid overloading circuits by using properly rated fuses and relays. Regularly inspect and replace worn-out components such as belts and hoses related to the alternator and electrical system.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2007 Buick Terraza Service Manual
Coming SoonComprehensive guide covering electrical system diagnostics, maintenance, and repair procedures.
Technical Service Bulletin - Electrical System Updates
Coming SoonOfficial GM bulletin addressing known electrical issues and recommended solutions for 2005-2007 models.
Buick Terraza Parts Catalog
Coming SoonDetailed catalog of genuine GM parts for the electrical system, including batteries, alternators, and fuses.
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Technical Information
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