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bambi mod

  1. 3157 switchbacks / Fog light- bambi mod.

    F150 Ecoboost Problems
    I have a 2013 F150 Fx4 . I installed 3157 switchbacks ,bulbs light up white if slightly inserted into socket but no blinker/ flasher. I can remove bulbs rotate 180 degrees re-insert into socket and they light up Amber while flashing but no other function.