June 06, 2012

BMW 320i 1977-1979 Air Conditioning Wiring Diagram

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Here is where you can see the air conditioning wiring diagram for the 1977-1979 BMW 320i. The BMW 320i was the first generation of the BMW 3 Series – BMW E21 (1975-1983). The BMW E21 was a compact executive car. In 1977 the BMW 320i was using the 6-cylinder M20 engine, this car features 2.3L and 143 PS (105; 141HP). The 320i have used disc brakes for all of their wheels in their braking system.

1977 BMW 320i


Now let's take a look closer at this wiring diagram for air conditioner in a 1977-1979 BMW 320i. Here we can see that there are several components and their connections inside, some components' names are hand written, but we can still read them well. Some of the components' names are: heater blower, AC blower switch, blower switch, temperature selector, ignition switch, diode, temperature switch, battery, power relay, relay extra fan, etc.

BMW 320i 1977-1979 Air Conditioning Wiring Diagram


Be sure to read and study this wiring diagram comprehensively first before you use it in one of your wiring project. When you have mastered this wiring schematic, you can perform wiring work such as troubleshooting, assembly work, or maintenance work. Always be sure to have disconnect the battery power before you perform your wiring work, this is important to avoid any risk of electrical shock. We wish you good luck with your wiring work, and enjoy the process.

Source of article: http://en.wikipedia.org

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