I know which prong but which wire of the 13 that are there is for electric trailer brakes. I cant remember but there is yellow,green, red, 2 black, white with green stripe, brown etc......which wire is for the trailer brakes?

 

Here ya go sir (Its the blue one) Trialer wire.pdf

 

maybe could be. im not color blind but its a thick green one on my truck. thanks anyways. i found it.

 

Yep, you're right, it's dark green on these vehicles. Don't know why they didn't follow industry standard and use blue.