BMW 733i 1982 - 1983 - 1984 Electrical Troubleshooting Manual

This comprehensive Electrical Troubleshooting Manual provides detailed guidance for diagnosing and repairing electrical faults in the 1982 - 1983 - 1984 BMW 733i model.

Key Features and Benefits:

Step-by-step troubleshooting procedures guide you through the diagnostic process, identifying potential causes and solutions.
Detailed electrical schematics and diagrams visually represent the electrical systems, aiding in component identification and circuit tracing.
Important specifications and measurements ensure accurate and efficient repairs.
Tailored specifically for the 1983 BMW 733i, catering to its unique electrical system configuration.
Empowers users to perform electrical repairs themselves, saving time and money while gaining a deeper understanding of their vehicle.
Technical Specifications and Details:

Electrical System:

12-volt negative ground system
Battery capacity: 60 Ah
Alternator output: 90 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:

Battery Replacement:

Recommended battery: BMW-approved 12-volt battery with 60 Ah capacity
Battery location: Under the hood, on the passenger side

Fuse and Relay Replacement:
Fuse and relay panel locations:
Under the hood, next to the battery
Inside the cabin, under the dashboard
Fuse and relay identification: Refer to the electrical troubleshooting manual for specific locations and ratings
Electrical Troubleshooting:

Use a multimeter to measure voltage, current, and resistance
Inspect wiring harness for damage or loose connections
Consult the electrical troubleshooting manual for circuit testing procedures
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
This comprehensive BMW 733i 1983 Electrical Troubleshooting Manual is an indispensable resource for owners and technicians alike. Its detailed troubleshooting procedures, electrical schematics, and technical specifications empower you to diagnose and repair electrical faults with confidence and precision.

CONTENTS
How to use this manual
Symbols
Systematic Troubleshooting
Diagnostic Connector
Power Distribution Box
Fuse Data
Power Distribution
Charging System
Start
Fuel Delivery/ Evaporative Control
Idle Speed Control
Ignition
Fuel Control
Ignition Key Warning/ Seatbelt Warning
On- Board Computer
Speedometer/ Gauges/ Warning Indicators
Gauges/ Warning Indicators
Warning Indicators
Service Interval Indicator
Wiper/Washer
Active Check Control
Brake Lining Warning
Interior Lights
Headlights/ Fog Lights
Lights: Turn/Hazard Warning
Lights: Front Park/ Tail/ Underhood
Lights: Rear Marker/ License/ Trunk
Stoplights/ Cruise Control
Lights: RH Visor/ Dash/ Transmission Range
Lights: Dash/ Transmission Range
Center Console Lights
Back Up Lights
Cigar Lighter/ Glove Box Light/ Auto- Charging Flashlight
Rear Defogger/ Sunroof
Power Windows
Central Locking
Power Mirrors
Radio/ Power Antenna
Auxiliary Fan/ Vacuum Pump
Automatic Heater- Air Conditioner
Horn
Heated Door Lock
Accessory Connector
Ground Distribution
Windshield Washer Jet Heaters
Component Locations

Language: English
Format: PDF


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