TL*THE CONTACT OWNS A 2005 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE HEATING CIRCUITS UNDER THE DASHBOARD WERE HEATING UP EXCESSIVELY AND WOULD CRACKLE AND SPARKLE. THERE WERE NO RECALLS FOR THIS FAILURE. THE MANUFACTURER WOULD NOT ASSUME LIABILITY FOR THE FAILURE. THE CONTACT WAS CONCERNED THAT A FIRE COULD OCCUR. HE ALSO STATED THAT THE HEATER AND DEFROSTER WERE INOPERABLE. THE FAILURE AND CURRENT MILEAGES WERE LESS THAN 22,588.