Vehicle Class:
Mid-engine, rear-wheel-drive, two-seater sports car.
Segment Positioning:
Successor to the Ferrari 308, the 328 represented a refinement and improvement on its predecessor, offering enhanced performance and reliability in the exotic sports car market.
Key Competitors:
Porsche 944 Turbo, Chevrolet Corvette C4 ZR-1, Lotus Esprit Turbo, Aston Martin V8 Vantage.
Manual Benefit 1:
Empowers owners to perform their own electrical diagnostics and minor repairs, saving significant costs.
Manual Benefit 2:
Provides clear, step-by-step visual guidance essential for complex Italian automotive electrical systems.
Manual Utility:
Designed for ease of use for any skill level, making it accessible to both novice and experienced enthusiasts.
Value Statement:
An indispensable resource for maintaining the electrical integrity and performance of a classic Ferrari 328.
Electrical Systems:
Comprehensive coverage of all electrical circuits and components for the 1989 Ferrari 328.
Power Distribution:
Detailed diagrams for fuse box layouts, relay functions, and primary power distribution points.
Lighting System:
Wiring for headlights, taillights, brake lights, turn signals, interior lighting, and auxiliary lighting.
Ignition System:
Wiring diagrams related to the ignition coil, distributor, spark plug wires, and control modules.
Fuel System:
Electrical schematics for fuel pump, fuel injectors, and fuel pressure regulator control.
Engine Management:
Wiring for ECU (Engine Control Unit), sensors (e.g., crank, cam, throttle position), and actuators.
Cooling System:
Electrical circuits for radiator fans, coolant temperature sensors, and related controls.
Instrumentation:
Wiring for speedometer, tachometer, fuel gauge, oil pressure gauge, and warning lights.
HVAC System:
Electrical diagrams for blower motor, temperature controls, and related actuators.
Audio System:
Wiring for factory radio, speakers, and antenna.
Power Windows And Locks:
Schematics for electric window regulators, door lock actuators, and their control switches.
Wiper And Washer System:
Wiring for windshield wipers, washer pump, and associated controls.
Lighting Interior:
Wiring for dome light, vanity mirror lights, and door courtesy lights.
Brake Light System:
Wiring for the third brake light (if equipped) and standard brake lights.
Horn System:
Wiring for the horn controls and horn unit.
Parking Brake Warning Light:
Electrical circuit for the parking brake indicator.
Seat Belt Warning Light:
Wiring for the seat belt reminder system.
Starter System:
Electrical path for the starter motor activation.
Charging System:
Wiring for the alternator and battery charging circuit.
Accessory Power Outlets:
Wiring for cigarette lighter and any auxiliary power sockets.
Hazard Warning System:
Electrical circuit for the hazard lights.
Anti Theft System:
Wiring related to the factory alarm or immobilizer if applicable.
Troubleshooting:
Facilitates troubleshooting of electrical issues by providing clear circuit paths and component locations.
Component Identification:
Visual identification of electrical components, fuses, and relays through diagrams.
Wire Tracing:
Enables tracing of specific wires and their connections throughout the vehicle.
Fault Diagnosis:
Aids in diagnosing faults related to circuits, shorts, open circuits, and component failures.
Repair Planning:
Provides the necessary information to plan and execute electrical repairs accurately.
Depth Of Coverage:
Detailed, component-level wiring diagrams.
Color Coding:
Explicitly lists and illustrates wire colors for easy identification and connection verification.
Schematic Detail:
Includes schematics for both basic and complex electrical systems.
Diagram Clarity:
High-resolution diagrams designed for clarity and ease of interpretation.
Engine Type:
Naturally aspirated V8
Displacement:
3.2 liters (3185 cc)
Bore X Stroke:
81 mm x 78 mm
Horsepower:
270 bhp (201 kW) at 6300 rpm
Torque:
314 Nm (231 lb-ft) at 4500 rpm
Fuel Delivery:
Bosch KE-Jetronic L-Jetronic (Jetronic) Fuel Injection
Fuel Type:
Unleaded gasoline (91 octane or higher)
Valvetrain:
DOHC (Dual Overhead Camshafts), 4 valves per cylinder
Cooling System:
Water-cooled, thermostatically controlled with electric fans.
Ignition System:
Electronic ignition with distributor.
Oil Change Interval:
Annually or every 5,000-7,000 miles (8,000-11,000 km), whichever comes first. Consult original service manual for precise recommendation.
Timing Belt Replacement:
Every 3 years or 30,000 miles (48,000 km), whichever comes first. Critical maintenance item due to potential for catastrophic engine damage if it breaks.
Major Service Interval:
Significant overhauls typically recommended at major mileage milestones (e.g., 30,000 miles) or based on time.
Engine Oil Type:
High-quality synthetic SAE 10W-40 or 20W-50 (e.g., Castrol GTX, Mobil 1). Consult original manual for specific viscosity and API/ACEA ratings.
Engine Oil Capacity:
Approximately 8.5 liters (8.9 US quarts) with filter change. Verify with dipstick.
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio). Color may vary, but typically green or yellow.
Brake Fluid Type:
DOT 4 high-temperature brake fluid.
Power Steering Fluid Type:
Typically Dexron III or equivalent ATF (Automatic Transmission Fluid). Consult manual.
Common Issue 1:
Timing belt failure if not replaced at recommended intervals.
Common Issue 2:
Aging electrical connectors and wiring insulation degradation leading to intermittent faults.
Common Issue 3:
Fuel injector seals and O-rings can degrade over time.
Common Issue 4:
Corrosion in the fuse box and relay connections.
Common Issue 5:
Wear on suspension bushings and ball joints.
Common Issue 6:
Brake system component wear (rotors, pads, lines).
Common Issue 7:
Engine mounts degradation.
Ferrari Legacy:
Ferrari's lineage of front-engine V12 grand tourers and mid-engine V8 sports cars dating back to the 1950s.
Predecessor:
Ferrari 308 GTB/GTS (introduced 1975).
Successor:
Ferrari F40 (halo car), Ferrari 348tb/ts (direct successor in V8 mid-engine lineage).
328 Development:
Developed as an evolution of the 308, featuring a larger displacement engine and updated styling by Pininfarina.
Production Years:
1985-1989
Manufacturing Location:
Maranello, Italy
Production Numbers:
Approx. 7,400 units combined (GTB and GTS).
Body Styles:
GTB (Berlinetta - fixed roof coupe) and GTS (Spider - targa top).