🏷️ Basic Information Identification Make: Ferrari Model: 328 GTB / GTS Year: 1989 Chassis Codes: 328 GTB / 328 GTS Codes Product Code Reference: 328 GTB 328 GTS Wiring Diagram 1989 👋 Introduction Market Position Positioning: The Ferrari 328 GTB/GTS represents a peak in front-engine V8 Ferrari design, bridging classic styling with developing automotive technology. This wiring diagram is essential for owners and specialists maintaining these iconic Italian exotics. Competitive Analysis Comparison: Compared to its contemporaries like the Porsche 911 Carrera (930) and Chevrolet Corvette C4, the 328 offered a more sophisticated driving experience and distinctive Italian flair, albeit at a significantly higher price point. Accurate electrical documentation is paramount for preserving its performance and originality. Key Features Features: Focus on detailed electrical system schematics vital for diagnosis and repair of complex Italian automotive electronics. This manual is a critical tool for maintaining the car's original functionality and performance characteristics. 📋 Manual Details Coverage Areas Coverage: Comprehensive electrical system diagrams for Ferrari 328 GTB and GTS models produced in 1989. Page Count Page Count: Estimated 80-120 pages (typical for this era's Ferrari wiring diagrams). Manual Type Type: Wiring Diagram Manual / Electrical Service Manual Supplement. Language Language: English (typically original Ferrari documentation is in Italian and English). Format Format: Digital (PDF). 📖 Manual Coverage Systems Covered Electrical Systems: Engine management, fuel injection, ignition, lighting (headlights, taillights, indicators, interior), instrumentation, power windows, power mirrors, wipers, horn, HVAC controls, ABS (if equipped), central locking, starter system, charging system, audio system wiring. Lighting System: Detailed wiring for headlights (high/low beam), taillights, brake lights, turn signals, hazard lights, interior dome/courtesy lights, and dashboard illumination. Instrumentation System: Wiring for all gauges (speedometer, tachometer, oil pressure, water temperature, fuel level, voltmeter), warning lights, and indicator lamps. HVAC System: Electrical controls for ventilation, fan speed, and temperature selection for the climate control system. Procedures Included Diagnostic Procedures: Fault finding based on circuit diagrams, component location referencing for connectors and grounds. Component Location: Diagrams illustrating the location of major electrical components, fuses, relays, and ground points within the vehicle's chassis and engine bay. Wiring Harness Identification: Tracing of main wiring harnesses and identification of specific circuits within them. Technical Depth Depth: Detailed circuit schematics, component identification, wire colors, connector pinouts, fuse and relay assignments, ground point locations. Fuse Relay Specification: Accurate amperage ratings for all fuses and relay types used in the electrical system. Wire Color Coding: Precise identification of wire colors used in each circuit, crucial for accurate tracing and repair. Connector Pinouts: Detailed diagrams showing the pin assignments for various electrical connectors throughout the vehicle. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format). Print Quality Resolution: High-resolution scans ensuring clarity of intricate diagrams and text. Binding Type Binding: N/A (Digital Format). Paper Type Paper Quality: N/A (Digital Format), optimized for screen viewing and printing. ⚙️ Engine Specifications Primary Engine Engine Code: F105 CB Engine Type: 90° V8, Mid-engine, Rear-wheel Drive. Displacement: 3185 cc (3.2 Liters). Performance Horsepower: 270 hp (201 kW) at 7000 rpm. Torque: 298 Nm (220 lb-ft) at 5500 rpm. Fuel System Fuel Injection: Bosch KE-Jetronic Fuel Injection (K-Jetronic with electronic control). Ignition System: Magneti Marelli Electronic Ignition. Engine Internals Bore X Stroke: 83 mm x 73.6 mm. Compression Ratio: 9.2:1. 🔧 Transmission Standard Transmission Type: 5-speed Manual Transaxle. Optional Optional Transmission: N/A (Manual transmission was standard and the only option). Features Gear Ratios Reference: Specific gear ratios can be found within detailed service manuals, but the 328 featured closely spaced ratios for spirited driving. 📐 Dimensions Exterior Length: 4140 mm (163 in) for GTB / 4145 mm (163.2 in) for GTS. Width: 1730 mm (68.1 in). Height: 1130 mm (44.5 in). Wheelbase: 2350 mm (92.5 in). Weights Curb Weight: Approximately 1330 kg (2932 lbs) for GTB / 1385 kg (3053 lbs) for GTS. Weight Distribution: Close to 50/50, optimizing handling characteristics. 🛡️ Safety Features Ratings Safety Ratings: No formal crash test ratings available from modern agencies due to the era and low production volume. Active Features ABS: Optional Anti-lock Braking System (ABS) available on later models, including 1989 production. Brakes: Ventilated disc brakes front and rear. Passive Features Seatbelts: 3-point inertia reel seatbelts. Chassis Construction: Steel monocoque with tubular steel subframes. 💡 Technology Features Infotainment Infotainment System: Basic analog instrumentation, typically a high-quality period radio/cassette player (e.g., Blaupunkt or Becker). Driver Assistance Driver Assistance Features: Optional ABS. No electronic stability control or traction control systems. Connectivity Connectivity: N/A (No integrated Bluetooth, USB, or smartphone connectivity). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 km (3,000-5,000 miles) or annually. Major Service Interval: Timing belt replacement every 30,000-50,000 km (20,000-30,000 miles) or 5 years, whichever comes first. Fluid Specifications Engine Oil Type: API SG or SH, SAE 10W-50 or 15W-50 (check specific owner's manual for Ferrari recommendations, often synthetic blend...