(SOLVED) What is this rando wire?? (TRAILER BRAKE CONTROL)

[OBSandaNNBS]

Anyone know what this is red and black wire is? I was just admiring my engine bay for fun when I saw it.

It apparently has been disconnected since I got the truck 8 months ago, and I somehow never noticed it. It was tucked away behind the loom...??

 

[Doubeleive]

Anyone know what this is red and black wire is? I was just admiring my engine bay for fun when I saw it.

It apparently has been disconnected since I got the truck 8 months ago, and I somehow never noticed it. It was tucked away behind the loom...??View attachment 457119

red wire is for either trailer brake controller power or trailer connector power (can't remember which) there is another one tucked in between the quarter panel and fuse box, both connect to the post's at the front of the fuse box. if you poke around the forum or online there is documentation on it.
basically it is for the tow package

 

[OBSandaNNBS]

red wire is for either trailer brake controller power or trailer connector power (can't remember which) there is another one tucked in between the quarter panel and fuse box, both connect to the post's at the front of the fuse box. if you poke around the forum or online there is documentation on it.
basically it is for the tow package

Thank you sir! You pointed me in the right direction.


The video from etrailer in this thread was very informative.

Brake controller

The family is going to try the “glamping” side of the world this summer. We typically tent camp but this time rented a 27’ pull along. The rental place said I need a brake controller in order to pull their trailer. My SSV has the tow package, hitch 7 pin and the selectable tow button on the...

www.tahoeyukonforum.com

 

[Fless]

Yes, it's the main feed for the brake controller. Top righthand part of this diagram:

Trailer Brakes — 2012 Chevrolet Tahoe 2WD V8-5.3L Service Manual | Operation CHARM

Detailed repair manual for the 2012 Chevrolet Tahoe 2WD V8-5.3L.

charm.li

Stud 2 is always hot.

 

[donjetman]

Here's a thread on the subject:
https://www.tahoeyukonforum.com/threads/solved-what-is-this-rando-wire-trailer-brake-control.154351/