Thanks for welcoming me into this forum. I have a 2018 Silverado LT. The side mirrors are manual fold towing mirrors with all the features like turn signal, reversing light, heated and marker lights. I have purchased power fold mirrors which are not towing mirrors but the regular style mirrors. These mirrors came from a 2500. They have all the features like being heated, turn signals and they have the puddle lights on them. The original owner of the 2500 had the dealer swap out these mirrors for towing mirrors. I have the regular size power fold mirrors and the door wiring harnesses plus a new mirror control switch.
My question is if use the wiring harness from the 2500 will the power fold mirrors work with no additional wiring performed.