Starter relay location

Hello, I'm Danny.

The starter relay is located in the central junction box.Here is a tutorial that can show you how to test a relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

I've attached 2 pictures below showing its location and circled in red.Hope this helps and thanks for using 2CarPros.