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Hello Everyone, I wanted to start this thread as a continuation from my DL8 to DL3 Mirror Conversion here. http://www.gm-trucks.com/forums/topic/190736-2016-silverado-lt-dl8-to-dl3-mirror-conversion-finally-complete-3/page-1 Based on the 6 months of research in the above thread, feedback from many of the members here, and observing behavior of other member's experience... I am now able to officially offer a Plug and Play Harness Solution for those that want to upgrade their Standard DL8 Mirrors to the DL3 Mirrors on their 2014* - 2017 Silverado/Sierra Trucks (LT/SLE Trims). DL8 Mirrors - Power Adjust, Manual Fold, and Heated DL3 Mirrors - Power Adjust, Power Fold, Heated, Auto Dim (Driver's Side), Turn Signal and Puddle Lamps This has been tested on the following models: 2014* - Silverado/Sierra LT/SLE - 1500* (Known issue with Puddle Lamps - Diode mod workaround required) 2015 - 2017 Silverado/Sierra LT/SLE Please see Vehicle Acceptability for Retrofit Document Here. Keep in mind that this document is intended for Towing Mirrors, but based on feedback, they seem to follow similar acceptability requirements. https://www.dropbox.com/s/q4eldhgg2x8i10q/Camper%20Mirrors%20-%2023371780.pdf?dl=0 There might be additional wiring needed for other trucks. If you decide to purchase the harness anyway, I can assist as much as I can. However, there is no guarantee that it'll work without BCM/Memory Module Calibration (and if that's even possible), or additional wiring for missing circuits in the inline door hinge connector. Also, if you are outside of the compatibility requirements, I would need some additional information/photos of your truck connectors to determine if this harness will work or not. The Plug and Play Harness will be pinned for the following functionality. Turn Signal Puddle Lamps Power Fold*** Auto Dim (Driver's Side)**** ***For Power Fold, you will need a new Mirror Adjust/Power Fold Switch - Part # 23154702. ****For Auto Dim (Driver's Side) - You will need to add a Auto Dim Rear View Mirror AND run the additional (4) Circuits needed to the X51L Fuse Panel and X61A Junction Box. Please see thread here for details. http://www.gm-trucks.com/forums/topic/192050-a10-inside-rearview-auto-dimming-mirror-conversion-dd8/?hl=a10+mirror The Harness Set for both Driver and Passenger is $225 Shipped (lower 48) via PayPal (as Family and Friends). I ship USPS Priority Mail 2-3 Day Shipping. Once you receive the Harnesses, Install, Test, and Confirm all is operational, you have the option of shipping me your Stock DL8 Harness for a $40 Core Refund.