The following electrical wiring diagram applies for BMW 735i/E23 1985 models. This manual is divided into sections which are Index (contains alphabetical listing of the electrical circuits), how to use the manual, wiring diagram symbols, wire size conversion chart, systematic troubleshooting, diagnostic connector, power distribution box, fuse data, systematic diagrams, component charts and figures.
When troubleshooting the electrical system, you will need to do some of electrical test such as voltage test, voltage drop test, continuity test, short test using voltmeter, and short test using ohmmeter. Please assure that the car battery disconnect before doing the above test since it the car battery voltage can cause false readings. Also do not use and ohmmeter on a solid state components, the voltage that the ohmmeter applies to the circuit could damage the components.Find more information about BMW 735i/E23 Electrical Wiring Diagram (1985) here (121 pages of pdf file docs. PASS: wiringdiagrams21.com)
Posts