BMW 735 1987 Electrical Wiring Diagrams

BMW 735

This comprehensive set of Electrical Wiring Diagrams provides detailed schematics for the electrical systems of the 1987 BMW 735 model.

Key Features and Benefits:

Accurate and detailed schematics visually represent the electrical connections and components.
Comprehensive coverage includes all major electrical systems, including:
- Engine management
- Lighting
- Instrumentation
- Comfort and convenience
Easy to navigate with clear labeling and organization.
Essential for troubleshooting and repair by identifying potential faults and guiding the repair process.

Technical Specifications and Details:

Electrical System:

12-volt negative ground system
Battery capacity: 80 Ah
Alternator output: 120 amps

Major Electrical Components:

Engine control module (ECM)
Ignition coil
Starter motor
Voltage regulator
Headlight switch
Turn signal switch
Wiper switch

Maintenance and Repair Information:

Electrical Troubleshooting:

Use a multimeter to measure voltage, current, and resistance
Inspect wiring harness for damage or loose connections
Consult the electrical wiring diagrams for circuit tracing and component identification

Common Electrical Problems and Solutions:

Battery Drain:

Symptoms: Difficulty starting the vehicle, dim headlights
Solution: Check for parasitic drains using a multimeter, inspect battery terminals for corrosion

Electrical Shorts:

Symptoms: Blown fuses, intermittent electrical failures
Solution: Inspect wiring harness for damage, repair or replace damaged wires

Ground Faults:

Symptoms: Electrical components not functioning properly
Solution: Check ground connections for tightness and corrosion, clean or repair as needed

These comprehensive BMW 735 1987 Electrical Wiring Diagrams are an indispensable resource for owners, technicians, and enthusiasts alike. Their accuracy, detail, and comprehensive coverage empower you to diagnose and repair electrical faults with confidence and precision.

Language: English
Format: PDF

BMW 735 1987 Electrical Wiring Diagrams