!hunni badger help please!

Everyone hello !!! I need some help, seems pretty simple however it appears not . Long story short , with full charged battery inserted , my device would light up , only one light , the button, mind you their is another light which is by the tip , which did not light up and more importantly , the tip did not light up . I need some assistance or a talk through on how I can re wire it with new wires . I took apart an old vape that I have taken part so that I can use the wires to get my Hunni badger working . Please and thanks again for your help . Thanks