Basically a plug/connector will overheat if the connection is poor or if it is underrated for the amount of current/voltage it has to carry.
It's possible the connector was not pushed on far enough, or it was a cheap and nasty one.
It is not a powersupply issue, don't waste your money ;)
It's possible the connector was not pushed on far enough, or it was a cheap and nasty one.
It is not a powersupply issue, don't waste your money ;)