3156/3157 Non-CK: GTR Carbide Canbus 2.0 LED (Switchback) Quantity:Single all connections are the 4-pin

all connections are the 4-pin "RGB" type

Enhanced Visibility: Dual LED projectors provide superior illumination on the road

or modifying anything on the truck's factory harness

The 8H x 4V oval hot spot with a 10V degree spread at beam center has been perfectly tuned to produce an ideal flood beam

Don't settle for imitations or overpriced options

3156/3157 Non-CK: GTR Carbide Canbus 2.0 LED (Switchback) Quantity:Single all connections are the 4-pinNOTE: Do you have CK style wiring or Standard? These bulbs will only work with Standard style wiring. These LED bulbs: will replace any T20 based 3156 3157 series bulb, here is the bulb cross reference guide for this product: 3057, 3157, 3457, 4057, 4157 & T20 The Carbide Series LED replacement bulbs from GTR Lighting: were originally designed to be the brightest option in the world and today with the version 2. 0 they're even brighter! Because these