* Acura dealer: You can visit an Acura dealer and ask for a wiring diagram for your specific vehicle. They may charge a small fee for this service.
* Online auto parts stores: Many online auto parts stores sell wiring diagrams for various vehicles. You can search for "1991 Acura Legend ECU wiring diagram" to find these diagrams.
* Third-party repair manuals: There are a number of third-party repair manuals that include wiring diagrams for various vehicles. You can find these manuals at libraries, bookstores, and online retailers.
Once you have obtained a wiring diagram, be sure to study it carefully before attempting any electrical work on your vehicle. If you are not comfortable working with electrical systems, it is best to have a qualified mechanic perform the work.
