NHTSA complaint: 1990 VOLVO 740 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
VEHICLE FIRE AS A RESULT OF ELECTRICAL PROBLEMS.*MR VEHICLE CAUGHT FIRE AT WORK FOUR HOURS AFTER IT WAS PARKED. FIRE WAS EXTINGUISHED AND THE BATTERY WAS DISCONNECTED UPON DISCOVERING IT WAS AN ELECTRICAL FIRE. VEHICLE WAS DRIVEN HOME THAT NIGHT. VEHICLE WAS TAKEN TO THE MECHANIC THE NEXT DAY. CONSUMER BELIEVED THE FIRE WAS THE RESULT OF THE BATTERY CABLES. CONSUMER CONTACTED THE DEALERSHIP AND LEARNED OF A SERVICE BULLETIN FOR THE 740 MODELS. CONSUMER BELIEVED THE POSITIVE AND NEGATIVE BATTER CABLE CAME TOGETHER AND RAN DOWN A RUBBER TUB THAT SECURED THE INTER FRAME. AT THE END OF THE RUBBER TUBE THE POSITIVE CABLE RAN ACROSS THE FRONT CROSS MEMBER TO THE STARTER. THE NEGATIVE BATTERY CABLE AFTER LEAVING THE RUBBER TUBE CROSS OVER THE POSITIVE BATTERY CABLE GOING TO GROUND ITSELF TO THE ENGINE. OVER THE YEARS THE TWO CABLES RUB TOGETHER TILL THE SHEATING WORN DOWN AND MAKING CONTACT CAUSING THE SHORT CIRCUIT AND FIRE. THE DAMAGE FROM THE FIRE ( POSITIVE/NEGATIVE CABLE BURNED ALL THE WAY THROUGH, BOTH POWER STEERING HOSE BURNED, OIL SENDING UNIT AND CONNECTING WIRE, SPLASH PAN MELTED FROM FIRE DROPPING ON IT, THE A/C COMPRESSOR HOSE BURNED TO THE POINT WHERE YOU COULD SEE TREAD COMING FROM THE HOSE. THE ITEMS WERE REPLACED BUT THE A/C WASN'T WORKING. *PH
National Highway Traffic Safety Administration — Office of Defects Investigation