Switchbacks are a very cool feature to add to your vehicle! The bulbs stay iluminated white at all times, and switch to amber when the signal light or hazard lights are utilized. These bulb do not require any modification to operate and are plug & play. These high powered LED Switchback bulbs will add extreme light output to your vehicle's day time running lights and turn signal lights. Your vehicle will look great! As a added bonus to looking good on the street, you will also be highly visible to other motorists.
Items are standard 3157. They also can be used for 3047 3057 3155 3156 3157 3157LL 3357 3454 3457 3757 4057 4114 4114LL 4114K 4157 4157LL - If your sockets are not standard 3157, the bulbs may not fit the sockets perfectly, some small modification may be needed
Items are standard 7440/7443. They can also be used for T20, 990, 991, 992, 992A, 7440LL, 7440, 7443, 7440NA, 7440A, 7441, 7444, 7444A, 7444NA
Note: 1.When using LED bulbs for turn signal, you will need to use a load resistor set to prevent hyper flash or bulb malfunction 2.If the bulb doesn't light up, please reverse the polarities.
Purchase includes pair of selected Switchback bulb size and a pair of load resistors.