WHENEVER I TURN ON THE HEATER, A/C, DEFROST, OR FAN MY ABS LIGHT TURNS ON AND MY BRAKES ARE SPONGY. I HAVE LOST ALL BRAKES ON TWO OCCASIONS WHEN THE ABS LIGHT CAME ON. WHEN MY CAR SITS FOR A WEEKEND, THE BATTERY DIES. INSTALLED A NEW BATTERY, STILL DIES. FORD CANNOT FIND A CAUSE FOR EITHER PROBLEM. I HAVE TAKEN MY CAR IN TO HAVE THE WIRING HARNESS CHANGED FOR THE LIGHTS, THOSE WENT OUT. ALSO, MY A/C FUSE HAD CAUGHT FIRE, WHOLE FUSE BOX AND BLOWER WAS REPLACED. *AK