Where is a brake switch wiring diagram available?

A brake switch wiring diagram is typically found in the vehicle's repair manual or service manual. This manual can usually be purchased from the vehicle manufacturer or a reputable auto parts store. Some vehicle manufacturers also provide wiring diagrams online through their websites or mobile apps.

If you are unable to find a wiring diagram for your specific vehicle, you can try searching for it online. There are many automotive forums and websites that may have user-submitted wiring diagrams. Additionally, you can contact a local mechanic or auto repair shop and ask if they have access to a wiring diagram for your vehicle.