mirror swap

[John Jeunesse]

I have a 2017 gmc Sierra SLT  2500hd gas,the truck came with DL3 mirrors,the dealer swaped them out for DPN tow mirrors they do not power fold I want to swap them out for mirrors that power fold like the DQS which mirror kit do you recommend and do i need to change out the harness seeing as how it came with the power fold option

[Flameout]

There is a ton of info on the forums on that exact subject

[John Jeunesse]

I spoke with my dealer and he said they replaced one harness in each door when they replaced the mirrors now that i know that any one know what harness i need to buy