Hi,
If the starter won't engage, see if it will start in neutral. If there is no change and the gear indicator light isn't working, we may have a faulty transmission range sensor.
Try this. When you try to start it and hear the click, take note if the lights in or outside the vehicle dim and let me know.
Next, I attached the starter circuit wiring schematic. I need you to check the starter fuse (40 amp) in the under-hood fuse box first. Also, remove the starter relay and switch it with a different one in the box that has the same part number and try it.
If everything checks good, I need you to go to the starter motor. There is a heavy gauge red wire that is direct from the battery and has power at all times. Confirm that first. If that is good, there is a smaller gauge purple wire on the starter as well. That wire only gets power when the key is in the start position. Have a helper turn the key to the start position while you check for voltage to that wire.
Here is a link you may find helpful:
https://www.2carpros.com/articles/starter-not-working-repair
Let me know what you find or if you have other questions. Also, does the click you hear come from the starter motor?
Let me know.
Joe
See pics below. Note: I cut the original pic in two so you could read them. They are overlapped so you can follow from one to the next. The last pic shows the fuse and relay in the under-hood fuse box.
Images (Click to make bigger)
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Sunday, April 2nd, 2023 AT 8:44 PM