{"product_id":"14-15-sierra-sle-work-truck-to-slt-denali-hd-headlamp-harness","title":"2014-2015 GMC Sierra SLE\/Work Truck to SLT\/Denali \u0026 HD Headlamp Wiring Harness","description":"\u003cp\u003eThe \u003cstrong\u003e2014-2015 GMC Sierra SLE\/Work Truck to SLT\/Denali \u0026amp; HD Headlamp Wiring Harness\u003c\/strong\u003e is a plug-and-play wiring solution built specifically for the K2 Gen (2014–2018) GMC Sierra HD. No cutting, splicing, or professional installation required — simply connect to your existing factory harness connectors and go.\u003c\/p\u003e\n\u003cp\u003eThis is only for OEM headlights not aftermarket headlights.\u003c\/p\u003e\n\u003cp\u003eFor those that wish to add the 2014-2015 GMC SLT headlights, or the 2016-2019 2500 \/3500 HD headlights to their 2014-2015 Non SLT Sierra, this is the needed harness.\u003c\/p\u003e\n\u003cp\u003eThis harness is a complete plug and play harness which utilizes 4 relay's for controlling all function's.\u003c\/p\u003e\n\u003cp\u003eHarness simply plugs inline between the original headlamp connector and the new headlamp along with a power source from the under-hood fuse block and battery.\u003c\/p\u003e\n\u003cp\u003eHarness will allow for same function as a true SLT model, except as noted below.\u003c\/p\u003e\n\u003cp\u003eBottom LED will now be the DRL's.\u003c\/p\u003e\n\u003cp\u003eTop and bottom LED's will be on at night.\u003c\/p\u003e\n\u003cp\u003eThis harness can also be used to install the 2016-2018 3 \/4 HD HID headlights into your 2014-2015 Non SLT.\u003c\/p\u003e\n\u003cp\u003eThe 2016-2018 HD model headlights look identical to the 14-15 SLT headlights, except they utilize a HID bulb.\u003c\/p\u003e\n\u003cp\u003eWith this harness you do lose the ability of just running around with your side markers, amber lights, on by themselves.\u003c\/p\u003e\n\u003cp\u003eIf you manually turn your headlight switch to the side marker position you will also have headlights, this is normal operation with our harness installed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePLEASE PROVIDE YOUR VIN # AT CHECKOUT AND WE WILL VERIFY THE MODEL OF YOUR CURRENT VEHICLE Will not work on 2014 (2500\/3500 Models) INSTALLATION INSTRUCTIONS-CLICK HERE Add a Fuse Guide: Add a Fuse Guide:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease verify your specific model year and trim before ordering. Some harnesses are built to order — review all options carefully.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/rhW3wYcSGUg\" width=\"500\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Gen5DIY","offers":[{"title":"Default Title","offer_id":53604316971372,"sku":"250200","price":389.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3659\/0024\/files\/Gen5DIY-1.jpg?v=1776181437","url":"https:\/\/www.truckstoreonline.com\/products\/14-15-sierra-sle-work-truck-to-slt-denali-hd-headlamp-harness","provider":"TruckStoreOnline.com","version":"1.0","type":"link"}