1991 HONDA CRX Electrical System Problems

MY CAR HAS HAD A PROBLEM FOR AWHILE REGARDING THE SEAT BELT WARNING WOULD SOMETIMES GO OFF WHEN THE PASSENGER SIDE WAS UNHOOKED WHEN IT HADN'T BEEN CONNECTED SINCE STARTING THE CAR. I WOULD HAVE TO LEAVE IT HOOKED UP. ABOUT A TWO MONTHS AGO I NOTICED AN OCCASIONAL BURNING SMELL. OVER THE LAST FEW WEEKS MY CORNER MARKER TURN SIGNALS STOPPED FUNCTIONING CORRECTLY. WHEN THE SIGNAL WAS IN THE RIGHT TURN POSITION THE CORNER MARKER SIGNAL ON THE RIGHT WOULD FLASH DIM AND THE LEFT WOULD FLASH. THE REVERSE WOULDN'T HAPPEN WHEN SET TO LEFT TURN. AFTER DOING SOME RESEARCH THROUGH SERVICE MANUALS AND ONLINE I TRACED THE PROBLEM BACK TO THE "INTEGRATED CONTROL UNIT" (ICU) WHICH IS PLUGGED INTO THE BACK OF THE "FUSE BOX". IT CONTROLS FUNCTIONS SUCH AS TURN SIGNALS, BRAKE LIGHT FAILURE WARNING, WINDSHIELD WIPERS AND SEAT BELT WARNING. THIS UNIT CARRIES THE PART NUMBER...