seeking help on whether or not i can install 2015 2500/3500 tow mirrors with: turn signals, heated, elect. adjustments, on my 2012 1500 that only has electric adjsut?? Do the 2012 1500's come wired to accommodate mirrors with all the options? I know the new tow mirrors I'm looking to purchase do not have the fold in option, nor do my current mirrors so that is no issue with me