Partsam For 1999-2012 CHEVY GMC LED Side Fender Marker Lights Smoke 4x Amber + 4x Red For 1999-2012 Chevy/Gmc Dually Bed Heavy Duty Pick Up Trucks For 2001-2007 GMC Sierra 3500 / 2008-2012 GMC Sierra 3500HD Side Marker Fender Marker Lamps For 2001-2007 Chevrolet Silverado 3500 / 2007-2012 Chevrolet Silverado 3500HD Side/Fender Marker Lamps 4 Amber/Front + 4 Red/Rear Side Marker Fender Marker Lamp Replacements Smoke Lens 3 Leds/pc T10 Assembly 264133BK 12V Waterproof It all started in the summer of 2013 with a simple, with bold idea: make better auto parts. In other words, not just a better auto parts - a better way of doing things. A new kind of auto company that works hand in hand with users to do something amazing, something meaningful. Now PARTSam has grown tremendously to become one of the leading platforms of e-Commerce in the aftermarket auto parts industry. Inventory Management/Warehouse &amp; Fulfillment  With our warehouse located in Milpitas, California, we take care of the inventory management for our products. This saves manufacturers space, time, and headache. Automated Multi-Channel Sales  We successfully advertise our products on multiple platforms and maintain top-rated healthy seller accounts, which keep customers drawn to our products. We are continually expanding our customer base as we add more sales channels. Professional Seller - Customers will deal directly with us in regards to issues and concerns they experience with the products. Manufacturers will not have to deal directly with the individual customers, but will experience the benefits of their business, which is the typical win-win cooperation. Peel one side of the double tape and then put into your LED Marker; Connectthe wires with your stock wire; If the LED doesn&#039;t light up, pls raise up the metal pin and flip LED over 180 degree to change polarity; Peel the other side, plug the marker directly to your original socket; Red light: function as rear fender marker Amber light: function as front fender marker