I have a 94 coupe. Almost everyday my dash lights and HVAC controls go blank. I have to bang on the brightness intensity **** to turn it back on and sometimes it wont turn on for like 10-15 minutes. I think there might be a relay or wiring that is loose or degraded under there. Anyone have experience with this? Am I going to have to rip off the dash board and solder something back together? I am thinking of doing an indiglo gauges maybe I can do both at the sametime.