It's actually quite easy. Once you take out the stock sockets, you will see two wires connecting to the socket, one is positive and one is negative, just connect your positive/negative tube wires directly to it via electric tape or solder it, and your fine.
__________________
2007 Toyota Camry SE 2GR-FE
Retrofit TSX HID Projectors | TRD Lowering Springs | Smoked LED Tails | Custom Apexi WS2 Catback Exhaust | BlueBatMobile Eyelids| UR Front Strut Bar | UR 23mm Rear Sway Bar | K&N Short Ram Intake| Kenwood DNX8120 In-dash | Lexus IS350 18" Wheels | Toyota Japan JDM Vent Visors | IS-F Black Leather Shift Knob
Other cars: F20C (AP1) | 2JZ-GE (JCE10)