and the socket has power, then there may be an issue with either the socket or the accessory plug that you are trying to use with it. Cigarette lighter and 12v accessory sockets are designed with ...

The reason why those two new PSUs only have one 8-pin connector is because they both sport two 12V-2x6 sockets instead. The company does offer PSUs with up to three 8-pin and one 16-pin power slots.