🏷️ Basic Information
Identification
Make:
Chevrolet
Model:
S10 Blazer
Year:
1988
Body Style:
SUV
Drivetrain:
2WD
Engine Code:
LG8 (General Motors 2.0L)
Generation
Generation Designation:
First Generation
Codes
Platform Code:
GMT400 (Shared with GMC S-15 Jimmy)
👋 Introduction
Market Position
Market Segment:
Compact SUV
Competitive Analysis
Competitors 1988:
Ford Bronco II, Jeep Cherokee (XJ)
Key Features
Body Style Offered:
Available in 2-door and 4-door configurations (this manual specifically covers the 2-door version)
Powertrain Options Mention:
Offered with GM's own engines and Isuzu-sourced engines.
📋 Manual Details
Coverage Areas
Coverage Focus:
Electrical Systems & Diagrams
Page Count
Estimated Pages:
N/A (Specific page count not provided, but typical for electrical diagrams of this era)
Manual Type
Type:
Electrical Wiring Diagram Manual
Language
Language:
English
Format
Format:
Digital (likely PDF)
📖 Manual Coverage
Systems Covered
Electrical Systems:
Engine Control Module (ECM) wiring, Power Distribution, Charging System, Starting System
Fuse And Relay Identification:
Yes, integrated within power distribution diagrams.
Lighting System Wiring:
Yes, typically covered under general electrical diagrams.
Instrument Panel Wiring:
Yes, part of the electrical system coverage.
Procedures Included
Diagnostic Procedures:
Tracing electrical faults, understanding circuit operation, identifying component connections
Repair Guidance:
Wiring repairs, component replacement related to electrical circuits
Troubleshooting Guidance:
Troubleshooting charts and flowcharts for common electrical issues are standard in such manuals.
Technical Depth
Depth:
Detailed circuit schematics, component pinouts, wire colors, fuse and relay locations, power flow
📊 Manual Specifications
File Format
Digital Format:
PDF (presumed), searchable text (if digitally generated)
Print Quality
Print Quality:
High Resolution (essential for clear diagram readability)
Binding Type
Binding:
N/A (for digital format)
Paper Type
Paper Type:
N/A (for digital format)
Content Type
Diagram Detail:
Color-coded wires, component symbols, connector pinouts, and harness routing information.
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline 4-Cylinder, Overhead Valve (OHV)
Engine Displacement:
2.0 Liters (122 cu. in.)
Engine Code Gm:
LG8
Performance
Horsepower Approx:
88-96 hp (depending on exact configuration and tuning)
Torque Approx:
110-118 lb-ft (depending on exact configuration and tuning)
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Engine Code Isuzu
Isuzu Engine Option Mention:
Note: Some 1988 S10 Blazers may have featured Isuzu engines; this manual is specifically for the 2.0L GM engine.
🔧 Transmission
Standard
Transmission Type:
4-Speed Automatic (4L30-E or similar)
Optional
Transmission Type Optional:
5-Speed Manual
Features
Transfer Case 2Wd:
N/A (2WD model)
📐 Dimensions
Exterior
Wheelbase Inches:
102.5 inches
Length Inches:
167.1 inches
Width Inches:
69.5 inches
Height Inches:
63.9 inches
Weights
Curb Weight Lbs Approx:
3,400 - 3,600 lbs
🛡️ Safety Features
Ratings
NHTSA Ratings 1988:
Information not readily available for this specific year/model configuration from standard databases.
Active Features
Braking System:
Front Disc, Rear Drum
Passive Features
Seatbelts:
Standard front seatbelts, optional rear seatbelts
Rollover Protection:
Reinforced roof structure for enhanced rollover protection (common feature for SUVs)
💡 Technology Features
Infotainment
Audio System:
AM/FM Radio with Cassette Player, optional CD player
Dashboard Features:
Analog gauges for speedometer, tachometer (optional), fuel, engine temperature, oil pressure. Warning lights for various systems.
Driver Assistance
Cruise Control:
Optional feature
Connectivity
Connectivity Options:
N/A (no modern connectivity features)
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months (recommend consulting owner's manual for exact interval)
Tune Up Interval:
Approximately every 30,000 miles (includes spark plugs, filters, etc.)
Fluid Specifications
Engine Oil Type:
API SG or SH, SAE 10W-30 or 10W-40 (check manual for specific viscosity)
Transmission Fluid Type:
Dexron-III (ATF)
Coolant Type:
Ethylene Glycol based, green color (50/50 mix with distilled water)
Known Issues
Common Electrical Problems:
Corrosion on grounds and connectors, failing ECM relays, faulty window regulators, headlight switch issues.
Common Engine Problems:
Vacuum leaks, carbon buildup, potential head gasket issues if overheated, distributor issues.
Common Drivetrain Problems:
Leaks from axle seals, worn U-joints on driveshaft (if applicable to 2WD), transmission shifting issues.
Part Numbers
Oil Filter Example:
AC-Delco PF2 or equivalent (e.g., Fram PH3500, Wix 51045 - consult parts catalog for exact match)
📚 Vehicle History
Brand Heritage
Chevrolet History:
General Motors' volume brand, known for a wide range of vehicles from trucks to sports cars.
Model Evolution
S10 Blazer Intro:
Introduced in 1982 as a compact SUV alternative to larger body-on-frame SUVs.
First Gen Timeline:
1982-1994
Production
Manufacturing Locations:
Various GM assembly plants in North America.
Model Year Significance:
1988 represents a mid-cycle iteration of the first-generation S10 Blazer.
🏆 Awards & Recognition
Recognitions
Awards Received:
No major specific awards for the 1988 model year, but the S10 Blazer platform was a significant player in the growing compact SUV market.