The following wiring diagrams are for the 1990 Honda Civic Si. They include the main wiring diagram, as well as detailed diagrams for specific systems such as the engine, fuel injection, and electrical.
* Main Wiring Diagram
* Engine Wiring Diagram
* Fuel Injection Wiring Diagram
* Electrical Wiring Diagram
To use these wiring diagrams, follow these steps:
1. Identify the system you are working on.
2. Find the corresponding wiring diagram.
3. Locate the component you are interested in.
4. Follow the wires to see how the component is connected to the rest of the system.
Here are some tips for reading wiring diagrams:
* The wires are color-coded to indicate their function.
* The connectors are numbered to indicate their location.
* The symbols on the diagram indicate the different components.
If you are not familiar with reading wiring diagrams, it is a good idea to consult with a qualified mechanic before attempting to work on your car's electrical system.
Here are some additional tips for working on your car's electrical system:
* Disconnect the battery before working on the electrical system.
* Use the proper tools for the job.
* Be careful not to damage the wiring.
* If you are not sure how to do something, consult with a qualified mechanic.
By following these tips, you can safely and effectively work on your car's electrical system.
