Cut wires under dash, harness plug indentification?

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560b

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I recently purchased a 07 Yukon Denali with 182k on it, it has a fair amount of issues that I’m working through learning about, I will be posting more threads with more questions after I do more hunting on this forum to make sure it hasn’t been previously discussed.



My first question is in regards to some cut wires under the dash I’m trying to figure out what they are for. The cut wires are right by a electrical block with multiple harness plugs plugged into, with one having nothing plugged into it. It’s probably safe to assume this is where it should go I just need help in figuring out what this would be for.801D97C8-58F8-4930-8F26-F5BD73596763.jpeg
 

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Welcome to TYF from Colorado.

Those four are the connections for an aftermarket brake controller. If you aren't going to tow or use a brake controller, wrap 'em up and forget about 'em.
 

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