Alright.. Im at my wits end with this thing... I have a cfx 750 i bought at a rb auction sale. Got everything set up on my tractor (9270cih) Hooked up the power and nothing. I Even borrowed a used one thinking mine was bricked... and still nothing... like they are not getting power? I took a test light and I am getting power in one hole on the cable that comes up from the Battery. I cant see what else can be wrong? Unless that cable is no good?