Vehicle Segment:
Mid-engine, rear-wheel-drive, two-seat sports car
Target Audience Manual:
Ferrari 328 GTB/GTS owners, automotive technicians specializing in exotic vehicles, DIY enthusiasts with advanced mechanical and electrical skills
Competitors Era:
Porsche 944, Lotus Esprit, Chevrolet Corvette C4, Aston Martin V8 Vantage
Vehicle Design:
Iconic Pininfarina styling, removable Targa top (GTS) or fixed coupe (GTB)
Manual Value Proposition:
Essential for diagnosing and repairing the complex electrical systems of a classic Ferrari, potentially saving significant repair costs
Primary Focus:
Wiring Diagrams and Electrical Systems
Secondary Focus:
General Service and Repair Guidance (implied)
Estimated Pages:
Extensive (Specific count not provided, but typical for factory-level wiring manuals)
Type:
Wiring Diagram Manual / Service Repair Manual
Electrical Schematics:
Comprehensive wiring diagrams for all vehicle systems
Lighting System:
Headlights, taillights, interior lighting, turn signals
Ignition System:
Ignition coil, distributor, spark plug wiring
Fuel System Electrical:
Fuel pump, injectors, fuel control unit wiring
Cooling System Electrical:
Radiator fan, temperature sensors
Instrumentation:
Gauges, warning lights, tachometer, speedometer wiring
Power Windows Locks:
Wiring for electric windows and central locking
Wiper Washer System:
Wiper motor, washer pump wiring
Climate Control Electrical:
HVAC blower motor, control unit wiring (if applicable)
Audio System Wiring:
Radio, speaker wiring
Charging System:
Alternator, battery wiring
Starter System:
Starter motor wiring
Safety Systems Electrical:
Horn, hazard lights
Troubleshooting Electrical:
Diagnostic procedures for electrical faults based on wiring diagrams
Component Identification:
Location and identification of electrical components and connectors
Wiring Harness Repair:
Guidance on repairing or replacing sections of wiring harnesses
Fuse Relay Diagnosis:
Identification and testing of fuses and relays
Connector Pinouts:
Detailed pinout information for various electrical connectors
Depth:
Highly Technical (focused on electrical systems)
Diagnostic Level:
Advanced electrical diagnostics
Repair Scope:
Detailed repair procedures for electrical faults and component replacement
Oil Change Interval:
Typically 3,000 - 5,000 miles or annually, whichever comes first (consult manual for specifics)
Timing Belt Replacement:
Recommended every 30,000 miles or 5 years (critical due to interference engine)
Engine Oil:
API SG or higher, SAE 10W-50 or 10W-40 (e.g., Castrol GTX Classic 20W-50 often recommended for older Ferraris)
Coolant:
Ethylene Glycol based coolant, 50/50 mix with distilled water
Brake Fluid:
DOT 3 or DOT 4 (check manual for exact specification)
Transmission Fluid:
GL-4 SAE 75W-90 or 80W-90 gear oil (specific Ferrari specification recommended)
Clutch Fluid:
DOT 3 or DOT 4 (typically shared with brake system)
Electrical Gremlins:
A common issue in older Ferraris, often exacerbated by age and corrosion. This manual is crucial for diagnosis.
Fuel System Components:
Aging fuel lines, injectors, and fuel accumulator can cause leaks or poor performance.
Timing Belt Failure:
Catastrophic engine damage can occur if belts fail. Strict adherence to replacement intervals is vital.
Suspension Bushings:
Wear and tear on rubber bushings can affect handling and ride quality.
Cooling System:
Radiator leaks, hose degradation, and fan motor issues can lead to overheating.
Brand Legacy:
Ferrari has a long and storied history in motorsport and luxury sports car manufacturing, synonymous with performance and exclusivity.
Predecessor:
Ferrari 308 GTB/GTS
Development Goal:
Refinement and modernization of the 308 platform, improving aerodynamics, engine performance, and handling.
Production Years:
1985 - 1989
Production Volume Total:
Approx. 2,500 units (combined GTB and GTS)
