GMC Jimmy 1995-2001 Electrical Specifications
Detailed electrical specifications for the 1995-2001 GMC Jimmy, including wiring diagrams, fuse box layouts, alternator output, and battery details. Essential for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 1995-2001 GMC Jimmy. It is designed to assist technicians, enthusiasts, and owners in understanding the vehicle's electrical systems, including wiring, components, and key performance metrics. Use the search functionality to locate specific terms or navigate through sections to explore detailed information about the electrical systems.
How to Use
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Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Battery Voltage
12 volts
Alternator Output
105-140 amps
Headlight Bulb Type
9004 halogen
Fuse Box Locations
Dashboard and hood
Cold Cranking Amps
650-750 CCA
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system components for the 1995-2001 GMC Jimmy. It includes details on voltage, amperage, and maintenance tips to ensure optimal performance.
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system components for the 1995-2001 GMC Jimmy. It includes details on voltage, amperage, and maintenance tips to ensure optimal performance.
Battery Specifications
- 12-volt lead-acid battery
- Cold Cranking Amps (CCA): 650-750
- Reserve Capacity: 90-120 minutes
- Group size: 78
- Maintenance-free design
- Terminal type: Top post
Alternator Output
- Output: 105-140 amps
- Voltage: 13.5-14.8 volts
- Belt-driven operation
- Internal voltage regulator
- Pulley size: 2.5 inches
- Replacement interval: 100,000-150,000 miles
Lighting System
This section details the lighting system, including headlights, taillights, and interior lighting. It provides information on bulb types, wattage, and replacement procedures.
Lighting System
This section details the lighting system, including headlights, taillights, and interior lighting. It provides information on bulb types, wattage, and replacement procedures.
Exterior Lighting
- Headlights: 9004 halogen bulbs (65/45 watts)
- Taillights: 3157 bulbs (27/8 watts)
- Turn signals: 3157 bulbs (27/8 watts)
- Fog lights: H3 bulbs (55 watts)
- License plate lights: 168 bulbs (5 watts)
- Replacement interval: As needed
Interior Lighting
- Dome light: 578 bulb (10 watts)
- Map lights: 168 bulbs (5 watts)
- Dashboard illumination: 194 bulbs (3 watts)
- Cargo area light: 578 bulb (10 watts)
- Replacement interval: As needed
Fuse and Relay System
This section provides an overview of the fuse and relay system, including fuse box locations, amperage ratings, and circuit protection details.
Fuse and Relay System
This section provides an overview of the fuse and relay system, including fuse box locations, amperage ratings, and circuit protection details.
Fuse Box Locations
- Primary fuse box: Under the dashboard
- Secondary fuse box: Under the hood
- Fuse types: Mini and standard blade fuses
- Total fuses: 30-40 depending on model year
- Labeling: Detailed diagram on fuse box cover
Key Fuse Ratings
- Headlight fuse: 20 amps
- Ignition fuse: 10 amps
- Radio fuse: 15 amps
- Power windows fuse: 25 amps
- A/C compressor fuse: 30 amps
- Replacement interval: As needed
Search Specifications
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- GM GMT330 platform
- Material
- Copper wiring with PVC insulation
- Location
- Distributed throughout vehicle
Dimensions
- Battery Length
- 10.5 inches (26.67 cm)
- Battery Width
- 6.875 inches (17.46 cm)
- Battery Height
- 7.875 inches (20 cm)
- Alternator Diameter
- 5.5 inches (13.97 cm)
- Alternator Length
- 7.25 inches (18.42 cm)
- Starter Motor Diameter
- 4.75 inches (12.07 cm)
- Starter Motor Length
- 6.5 inches (16.51 cm)
Materials
- Wiring
- Copper with PVC insulation
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Starter Motor Housing
- Steel
- Fuse Box
- Thermoplastic
Features
- Lighting
-
- Halogen headlights
- LED tail lights
- Dome light with delay
- Fog lights (optional)
- Power Distribution
-
- Central fuse box
- Relay-controlled circuits
- Circuit breakers for high-load systems
- Ground distribution blocks
- Charging System
-
- 95-amp alternator
- Voltage regulator
- Battery temperature sensor
- Charge indicator light
- Starting System
-
- 12V starter motor
- Solenoid engagement
- Neutral safety switch
- Ignition switch
- Accessory Power
-
- 12V power outlets
- Cigarette lighter
- Power windows
- Power door locks
Safety Features
- Circuit Protection
-
- Blade-type fuses
- Maxi-fuses for high-current circuits
- Fusible links
- Lighting Safety
-
- Automatic headlight shutoff
- Brake light failure warning
- Daytime running lights
- Crash Safety
-
- Inertia fuel pump cutoff
- Automatic door unlock
- Hazard light activation
Comfort Features
- Climate Control
-
- Electronic climate control
- Rear window defogger
- Heated mirrors (optional)
- Audio System
-
- AM/FM radio
- Cassette player
- CD player (optional)
- 4 speakers
- instrumentation
-
- Digital odometer
- Trip computer
- Warning light cluster
- Fuel gauge
Accessories
- Exterior
-
- Trailer wiring harness
- Roof rack lights
- Off-road light kit
- interior
-
- Overhead console
- Cargo area lighting
- Sunroof motor
- Audio
-
- Premium sound system
- Subwoofer
- Amplifier
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Battery terminal cleaning
- Alternator belt inspection
- Ground connection check
- Fuse inspection
- Lighting system check
- Maintenance Notes
- Use dielectric grease on all electrical connections
Warranty
- Battery Warranty
- Miles: 36,000Years: 3Coverage: Replacement for defects
- Alternator Warranty
- Miles: 50,000Years: 5Coverage: Parts and labor
- Starter Warranty
- Miles: 50,000Years: 5Coverage: Parts and labor
- Electrical System Warranty
- Miles: 36,000Years: 3Coverage: Wiring and connectors
Production Details
- Manufacturer
- Delphi Automotive Systems
- Manufacturing Process
-
- Automated wiring harness assembly
- Robotic component installation
- Quality control testing
- Quality Control
- Voltage Testing: 100% testedCurrent Draw Testing: Sample testedEnvironmental Testing: Salt spray and vibration
- Sustainability Practices
-
- Lead-free solder
- Recyclable wiring materials
- Energy-efficient manufacturing
- Production Metrics
- Daily Output: 500 unitsDefect Rate: 0.5%Energy Usage: 15 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Inspect battery terminals and cables
- Check alternator belt tension
- Test battery voltage and charge
- Inspect all exterior lights
- Check ground connections
Use dielectric grease on all electrical connections
- Replace battery if necessary
- Test alternator output
- Inspect starter motor operation
- Check wiring harness for damage
- Test all fuses and relays
Special tools required for alternator testing
- Replace alternator belt
- Inspect and clean all ground points
- Test charging system performance
- Check for voltage drops in circuits
- Inspect and replace worn connectors
Critical to check for corrosion in high-moisture areas
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What electrical components are compatible with the 1995-2001 GMC Jimmy?
What electrical components are compatible with the 1995-2001 GMC Jimmy?
The 1995-2001 GMC Jimmy is compatible with a range of electrical components, including alternators, starters, and wiring harnesses designed for the 4.3L V6 engine. Ensure compatibility by checking part numbers against GM's official catalog or consulting a service manual. Aftermarket parts may vary, so verify specifications such as voltage, amperage, and connector types before installation.
Q2 What are the maintenance requirements for the electrical system in a 1995-2001 GMC Jimmy?
What are the maintenance requirements for the electrical system in a 1995-2001 GMC Jimmy?
Regular maintenance for the electrical system includes inspecting and cleaning battery terminals, checking alternator output, and testing the starter motor. Replace worn-out fuses, relays, and wiring as needed. It's recommended to inspect the charging system every 12 months or 12,000 miles and ensure all connections are secure to prevent electrical failures.
Q3 How do I replace the alternator in a 1995-2001 GMC Jimmy?
How do I replace the alternator in a 1995-2001 GMC Jimmy?
To replace the alternator, disconnect the battery, remove the serpentine belt, and unbolt the alternator from its mounting bracket. Disconnect electrical connectors and wiring harnesses. Install the new alternator by reversing the steps, ensuring all connections are secure. Reconnect the battery and test the charging system to confirm proper operation.
Q4 What should I do if my GMC Jimmy's electrical system is malfunctioning?
What should I do if my GMC Jimmy's electrical system is malfunctioning?
Start by checking the battery voltage and connections. Inspect fuses and relays for damage. Use a multimeter to test the alternator and starter. If issues persist, consult the vehicle's wiring diagram to identify potential shorts or faulty components. Common problems include corroded connectors, worn-out alternators, or failing ignition switches.
Q5 How can I optimize the electrical performance of my 1995-2001 GMC Jimmy?
How can I optimize the electrical performance of my 1995-2001 GMC Jimmy?
Optimize electrical performance by upgrading to a high-output alternator, using high-quality wiring, and ensuring proper grounding. Regularly clean battery terminals and inspect the charging system. Consider adding auxiliary lighting or accessories with a dedicated power source to reduce strain on the primary 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.
1995-2001 GMC Jimmy Service Manual
Coming SoonComprehensive guide covering electrical system diagnostics, repairs, and maintenance procedures for the 1995-2001 GMC Jimmy.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails updates and fixes for common electrical issues in the 1995-2001 GMC Jimmy, including alternator and wiring harness improvements.
GMC Jimmy Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket electrical components compatible with the 1995-2001 GMC Jimmy, including part numbers and specifications.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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