Installing a cigarette lighter socket | How a Car Works To wire this up connect the illumination feed wire to the sidelight circuit. Use a Scotchlok connector to splice the wire in. Alternatively the wire can be connected directly to the sidelight fuse terminal on its output side. *Socket only If you wish, you may be able to buy just the socket and casing without the lighter Amazon: cigarette lighter connector Amazon: cigarette lighter connector. Skip to main content. [UL Wire]Chanzon 12V Cigarette Lighter Extension Cord 16AWG 12Ft Heavy Duty Pure Copper Cable Fused Auto DC Power Plug 12 24 Volt for Car Tire Inflator Cleaner Male Female Socket Adapter. 4.7 out of 5 stars 141.