I JUST HAD MY CRT REFURBISHED ON AN 89. IT WORKED GREAT TILL AFTER ABOUT 3 WEEKS AND THEN AS I STARTED MY CAR ON A COLD MORNING THERE WAS SOME SORT OF ELECTRICAL GLITCH AND THE CRT WENT OUT. I SENT THE CRT BACK TO HAVE IT CHECKED OUT AND IT APPEARS TO BE WORKING PERFECTLY. I GET AN ELECTRICAL PROBLEM SIGN ON MY DASH AND EVERTHING BUT THE CRT WORKS. I THINK I SMELLED SOME SMOKE WHEN IT FAILED. I THINK IT MIGHT BE THE CATHRODE RAY TUBE CONTROLLER(CRTC). ANY IDEAS OUT THERE 1989 W/162,000. OWNED FOR 4 1/2 YEARS.