Hi,
If you turn the key and get nothing, either there is a wiring issue, a bad starter, an issue with the park/neutral safety switch, or a power issue. Take a look through this link. It explains what to test when you have a starter not working.
https://www.2carpros.com/articles/starter-not-working-repair
Also, see if it will start when you place it in neutral. If it doesn't, we need to determine if or where the power loss is.
I attached the wiring schematic below. First, confirm fuse 19 (40 amp) in the battery junction box is good. If it is, confirm there is power to and from it. Also, check fuse 11 in the central junction box inside the vehicle. It is important to check that both have power. Here is a link that explains how to do it:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuses are good, I need you to check for power at the starter motor. There are two wires we need to check. There is a heavy gauge red wire that should have 12v at all times. There is a thinner wire that is white with a pink tracer that will not have power until the key is in the start position. Have a helper turn the key to the start position while you check for voltage at the white/pink wire.
Let me know what you find.
Joe
See pics below. Note: The schematic was one page. I cut it in half to make it readable but overlapped them so you can follow from one to the next.
Images (Click to make bigger)
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Tuesday, May 31st, 2022 AT 9:26 PM