Is there a stereo wiring diagram for a 2018 Toyota Tacoma?

This image shows a stereo wiring for the 2018 Toyota Tacoma. Https://twstatic.net/attachments/atoto-wiring-jpg.3042280/ You should be able to follow it to identify where the different wires go, or if You already have something in the wrong place. Be careful when dealing with electrical components in Your car, as it is pretty easy to short circuit things. If a short circuit or power surge occurs while You are working on Your stereo, You might get a blown fuse on Your hands. Keep in mind that You will need to replace that blown fuse before You can continue working on the stereo with a power supply. It is okay to finish working on it before restoring power to it, as that can also MINImize Your exposure electric shocks from live wires.