Sure, to me it sounds like the starter motor is going bad which is common but to be sure, this guide will show you how to test the trigger wire for power when the engine is not cranking over:
https://www.2carpros.com/articles/starter-not-working-repair
Here is how to change the starter out and the starter wiring diagrams so you can see how the system works and which wires to test.
Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:
https://www.2carpros.com/articles/how-to-replace-a-starter-motor
Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on. Also, I would repair the burnt like connection and replace the relay.
Images (Click to make bigger)
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Thursday, July 27th, 2023 AT 1:39 PM