Guangzhou Gaaye Electronics Co., Ltd.
7440 T20 Sockets Female Adapter for Turn Signal/Reverse Light Bulbs Socket
Fit OEM/LED/Xenon(HID) bulb socket T20/7440/7441/992A/W21W
( single filament bulb, only need to connect two wires).
Plug in light bulb extension.
Easy DIY installation, No mechanic required.
They are perfect for adding extra turn signal light, tail light, stop light, tail light, brake light, side marker and backup light, etc.