any chance that the plug is loose? I had an issue with mine where I didn't get it tight enough (had the dash apart to hardwire some stuff) and it would work most of the time but not every time.
2012 Silver Rubi. AEV 2.5" lift, JCR Dagger front bumper, Superwinch EPI 9, JCR engine skid, ACE side steps, RR 7" HID lights, Wired HDH switch panel
formerly- 2001 Yellow XJ, 7" longarm, lockers, bumper, winch, armor, lights, etc