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Sold as a set (kit covers both sides). This wiring kit allows you to hardwire in the lighting features to your truck to add towing mirrors. This kit is used when upgrading from small mirrors to towing mirrors. This gets ALL of the lighting features working properly on properly wired towing mirrors. Lighting features include running light, turn signal, and cargo light.
This is the recommended kit for 2014 1500 trucks, and all 2015 trucks built on or before August of 2014.
This upgrade will work for OEM mirrors (RPO code DQS or DPN) and any aftermarket mirrors that properly wire all of the wires into the OEM-style connector.
Vehicle fitment | Fitment note |
Link to installation video: https://youtu.be/uKHg4GJC6dE
This harness will work on 2014-2018 Sierra/Silverado 1500, and 2015-2019 Sierra/Silverado 2500HD/3500HD.
This is our recommended method for 2014 & early 2015 trucks (2015 trucks built on or before 08/14), however it will work on any of the vehicles listed above.
Please note, you must have power adjusting mirrors for this harness to work (glass movement with switch).
The date is stamped in the corner of the door sticker on the driver's side door. If it was built on or before 08/14 then you have an early 2015. If it was built after 08/14 then you have a late 2015.
If you cannot locate your build date, please email the VIN to sales@boostautoparts.com and we can look it up for you.
Power adjust, defrost, running light, signal, and cargo.
Please note; that the mirrors must be equipped with these features and be properly wired for them to work properly.
Yes, this will work on any mirrors that are setup for plug and play functionality. This includes OEM and aftermarket.
We would recommend the modify door harness kit. You can check that out by CLICKING HERE.
We might be biased, but we think the choice is clear. Boost is better...because of this:
It was a perfect fit with a step by step instruction video on YouTube.
Received package in a timely manner. Perfect fit. Great service.
Everything went great. Works as advertised.
It doesn’t look like much for the money, but the installation was made very easy by making it plug and play in the door for the extra features to work. Plus you guys did all the homework finding out which wires to tap into in order to wire them up.searching the web for mirrors
I enjoyed setting up the wiring harness and learned a lot through the process.
If you would like to speak to an associate via phone, please call us directly.
Monday - Friday: 9 am - 5 pm CST
(765) 831-2830
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Monday - Friday: 9 am - 5 pm CST
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