FaultScore

Mazda MX-5 Miata electrical problems

32 of the 391 complaints filed about the Mazda MX-5 Miata are about the electrical system — 8% of everything owners reported. The worst model year for it is 1999.

32

Complaints

8%

Share of all complaints

0

Crashes

1

Fires

Electrical System complaints by model year

Median failure at 24,000 miles

Median failure at 68,000 miles

Median failure at 80,000 miles

1999 MX-5 Miata 10 31.3%

Median failure at 30,250 miles

2000 MX-5 Miata 4 12.5%

Median failure at 39,180 miles

Median failure at 41,500 miles

Median failure at 650 miles

Median failure at 13,737 miles

What owners said

1994 Mazda MX-5 Miata at 80,000 miles Kansas City, MO

ELECTRICAL SYSTEM

AIR BAG LIGHT FLASHES OFF AND ON NOW WITH CODE 52. THIS CAR ONLY HAS 80,000 ORIGINAL MILES. I AM DRIVING IT BUT NEED TO KNOW IF A RECALL WILL FIX THIS .

NHTSA complaint #11402761 — an unverified report by a vehicle owner.

1992 Mazda MX-5 Miata at 68,000 miles Sherborn, MA

ELECTRICAL SYSTEM

WHEN CAR IS STARTED AFTER NOT USED FOR SEVERAL HOURS, THE AIR BAG LIGHT DISPLAYS CONTINUOUSLY DURING START PERIOD BUT THEN CHANGES TO BLINKING. CONTINUES BLINKING UNTIL CAR IS STOPPED AND IGNITION TURNED OFF. WHEN CAR IS IMMEDIATELY STARTED AGAIN, LIGHT TURNS OFF AFTER INITIAL START PERIOD, AS EXPECTED, BLINKING DOES NOT RE-OCCUR UNTIL CAR HASN'T BEEN RUN FOR SEVERAL HOURS BEFORE BEING STARTED AGAIN. CAR IS NOT USED DURING THE WINTER MONTHS.

NHTSA complaint #11257361 — an unverified report by a vehicle owner.

2002 Mazda MX-5 Miata at 151,700 miles Cape Girardeau, MO

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2002 MAZDA MIATA. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SUDDENLY SHUT OFF AND COULD NOT BE IMMEDIATELY RESTARTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE IMMOBILIZER MODULE ERRONEOUSLY ACTIVATED AND DISABLED THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 151,700.

NHTSA complaint #11127925 — an unverified report by a vehicle owner.

2002 Mazda MX-5 Miata at 28,000 miles Roanoke, VA

ELECTRICAL SYSTEM

THIS CAR HAS A SAFETY IMMOBILIZER THAT PREVENTS CAR FROM RUNNING IF THE CORRECT TRANSPONDER KEY IS NOT USED. THIS CAR HAS ONLY 28,000 MILES, OF WHICH I HAVE DRIVEN THE LAST 10,000 MILES. THIS WEEK THE IMMOBILIZER CONTROL ELECTRONICS FAILED, RENDERING THE CAR TO STOP RUNNING AND WILL NOT RESTART. RESEARCHING ON THE WEB IT APPEARS THIS WAS A PROBLEM WITH MANY 2001 AND SOME 2002 MODELS. FIRSTLY THIS FAILURE IS A SAFETY ISSUE. SECONDLY THE REPAIR REQUIRES REPLACING THIS IMMOBILIZER MODULE AS WELL AS THE MAIN ECU AND GETTING NEW TRANSPONDER KEYS, WHICH IS VERY COSTLY.

NHTSA complaint #11052011 — an unverified report by a vehicle owner.

2000 Mazda MX-5 Miata at 40,000 miles Port Charlotte, FL

ELECTRICAL SYSTEM

ENGINE BEGAN RUNNING BADLY AND CHECK ENGINE LIGHT CAME ON. TOOK TO MAZDA DEALER SHOP AND WAS TOLD A SPARK PLUG WIRE WAS DEFECTIVE AND BURNED UP. IN ACTUALITY, THE IGNITION COIL HAD FAILED AND CAUSED THE PROBLEMS. THE DEALER REPLACED SPARK PLUGS, IGNITION WIRES, AND COIL. TWO MONTHS LATER THE CHECK ENGINE LIGHT CAME ON AGAIN AND THE CATALYTIC CONVERTER WAS CLOGGED AND HAD TO BE REPLACED. THE MECHANIC SAID IT WAS DUE TO THE POOR RUNNING DURING THE TIME WHEN THE IGNITION COIL HAD BEEN MISFIRING. SO THE DEFECTIVE COIL CAUSED A GREAT DEAL OF DAMAGE, AND MAZDA HAS TAKEN NO RESPONSIBILITY FOR THESE DEFECTIVE PARTS OR THE DAMAGE THEY HAVE CAUSED. IF YOU READ COMPLAINTS FOR 1999 MODELS, YOU'LL SEE MANY FAILURES OF THE IGNITION COIL, SOME CAUSING DAMAGE TO OTHER PARTS COSTING A GREAT DEAL OF MONEY. APPARENTLY, SIMILAR COILS WERE USED ON 2000'S WITH SIMILAR FAILURES. BUT NO RECALL AND NO INVESTIGATION.

NHTSA complaint #10764038 — an unverified report by a vehicle owner.

2005 Mazda MX-5 Miata at 13,737 miles Longmont, CO

ELECTRICAL SYSTEM

I HAVE HAD THE HEADLIGHT COMBINATION SWITCH, PART NUMBER NC11-66-122 FAIL IN THIS MAZDA MIATA 6 TIMES. AFTER THE FIRST REPLACEMENT I NOTICED ALL THE SUBSEQUENT FAILURES WERE DUE TO A MECHANICAL FAILURE IN THE SWITCH AND NOT AN ELECTRICAL PROBLEM CAUSING THE FAILURE. WHEN THE SWITCH FAILS, I TURN IT TO EITHER PARKING LIGHTS OR HEADLIGHT POSITION AND THE LIGHTS WILL NOT COME ON UNLESS I PHYSICALLY CONTINUE TURNING THE SWITCH PAST IT'S "ON" POSITION. SOON AS I RELEASE THE SWITCH AND IT FALLS BACK INTO THE "ON" POSITION, THE LIGHTS GO OFF. THE FIRST 4 REPLACEMENTS WERE PERFORMED BY MAZDA DEALERS UNDER WARRANTY. OF COURSE, THEY DO NOT TRY TO FIGURE OUT THE CAUSE OF THE FAILURE, THEY MERELY REPLACE IT. THE FIFTH REPLACEMENT I WAS ABLE TO KEEP THE DEFECTIVE PART AND I DISASSEMBLE IT AND FOUND THE CONTACTS WERE NOT TOUCHING UNLESS THE SWITCH WAS TURNED PAST THE "ON". I AM NOW IN THE PROCESS OF HAVING THE 6TH COMBINATION SWITCH REPLACED. ON THIS PRESENT FAILURE I CAN ALSO PHYSICALLY PUSH THE SWITCH INWARD AND THE LIGHTS MOMENTARILY COME ON THEN TURN OFF WHEN I RELEASE THE INWARD PRESSURE. MY ASSESSMENT OF THE PROBLEM IS A POORLY MANUFACTURED SWITCH. IT IS DEFINITELY A SAFETY HAZARD SHOULD THE SWITCH FAIL AT NIGHT. FAILURE DATE MILEAGE SERVICED BY 02-25-2008 13737 MAZDA OF LONGMONT 05-26-2009 23744 SPRADLEY BARR MAZDA 01-18-2010 29206 SPRADLEY BARR MAZDA 06-01 2010 35084 SPRADLEY BARR MAZDA 10-25-2012 58656 COYOTE MOTORS 03-??-2015 72300 PART ON ORDER BY COURTESY MAZDA, LONGMONT

NHTSA complaint #10701578 — an unverified report by a vehicle owner.

2000 Mazda MX-5 Miata at 40,000 miles Suisun City, CA

ELECTRICAL SYSTEM

1999>2000 MAZDA MIATAS ARE KNOWN TO HAVE HAD A BAD BATCH OF COIL PACKS PUT IN THEM, RESULTING IN THE CHECK ENGINE LIGHT COMING ON, (HAS HAPPENED TO ME THREE TIMES), NOT WHILE DRIVING, BUT UPON RESTARTING AFTER A BRIEF STOP, LIKE AT A STORE, WHEREVER. ANYWAY THE CODE SAYS, RANDOM MISS FIRING, WHICH RESULTS IN A VERY LEAN UNBURNED MIXTURE OF FUEL, WITH MANY OWNERS HAVING THEIR CATALYTIC CONVERTERS AND/OR 02 SENSORS GET BURNT OUT AS A RESULT. WHEN THIS OCCURS THE ENGINE RUNS VERY VERY ROUGH, AND COULD STALL. IF THIS HAPPENS IN THE WRONG SITUATION, LIKE ON THE FREEWAY, IT COULD POSSIBLY RESULT IN AN ACCIDENT OR EVEN DEATH. MAZDA KNOWS ABOUT THIS AND HAS A TECHNICAL BULLETIN OUT ON IT, BUT IT IS AROUND A $300 PART (DEALER) AND VERY NEAR THAT EVERYWHERE ELSE (I.E. AUTOZONE $260) AND THEY TOLD ME THAT THERE IS NOT A RECALL ON THIS. IMO SINCE THIS CONDITION CAN AND WILL RUIN THE POLLUTION SYSTEM, THEY OUGHT TO ISSUE A RECALL, AND REFUND ANY MONEY ALREADY SPENT ON THE NEW COIL PACK FOR THOSE THAT HAVE ALREADY HAD IT CHANGED.

NHTSA complaint #10596434 — an unverified report by a vehicle owner.

1991 Mazda MX-5 Miata at 24,000 miles Yarmouth, ME

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

TL*THE CONTACT OWNS A 1991 MAZDA MIATA. THE CONTACT STATED THAT THE BATTERY WAS HOUSED IN THE TRUNK OF THE VEHICLE. MAZDA RECENTLY DEVELOPED A NEWER BATTERY MODEL CALLED A FLOODED CELL BATTERY. HE NOTICED THAT THE BATTERY WAS LEAKING AROUND THE CAPS AND HE WAS CONCERNED WITH LIQUID ACID BEING PRODUCED BY THE BATTERY. THE MANUFACTURER OFFERED TO REPLACE THE BATTERY IF IT WAS COVERED UNDER WARRANTY. THE DEALER STATED THAT THE BATTERY WOULD HAVE TO FAIL AN ELECTRICAL TEST IN ORDER FOR THEM TO MAKE THE REPLACEMENT. THE ELECTRICAL TEST WAS NOT PERFORMED AND NO REPAIRS HAVE BEEN MADE TO DATE. THE CURRENT AND FAILURE MILEAGES WERE LESS THAN 24,000. UPDATED 12/08/09. *LJ THE CONSUMER STATED HE REPLACED HIS BATTERY IN AUGUST 2007. HIS CONCERN WAS THAT MAZDA WAS SELLING FLOODED BATTERIES AS AN OEM REPLACEMENT FOR THE AGM BATTERY THAT CAME STANDARD IN HIS VEHICLE. THE CONSUMER DISCOVERED ACID LEAKING AROUND THE CELL CAPS. UPDATED 12/10/09

NHTSA complaint #10263609 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata at 76,000 miles Warner Robins, GA

ELECTRICAL SYSTEM

INTERMITTENT FAILURE OF IGNITION "COIL PACK" LEADING TO COSTLY REPLACEMENT OF CAT. CONVERTER, O2 SENSOR, AND COIL PACKS. MFR NEVER COVERED THIS UNDER ANY SORT OF EXTENDED WARRANTY, EVEN THOUGH THE PROBLEM IS NOT UNCOMMON, AND EVIDENTLY BAD PARTS ARE STILL IN THE SYSTEM. MULTIPLE FAILURE DATES.

NHTSA complaint #10241741 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata at 33,300 miles Dallas, TX

ELECTRICAL SYSTEM:IGNITION

1999 10TH ANNIVERSARY MAZDA MIATA CURRENTLY WITH 33,900 MILES ON IT. ABOUT 600 MILES AGO CAR SUDDENLY STARTED AND RAN ROUGH WITH CHECK ENGINE LIGHT ON. HAD CODE CHECKED AND REVEALED P0300 (RANDOM MISFIRE I.E.IGNITION COIL PACK FAILURE). CHECK ENGINE LIGHT WENT OUT AFTER READING CODE. SYMPTOM REAPPEARED RECENTLY WITH SAME CODE P0300. REPLACED SPARK PLUG WIRES WITH NGK OEM WIRES ABOUT A WEEK AGO AND SYMPTOM REAPPEARED THIS AFTERNOON. I UNDERSTOOD THIS IS NOT COVERED BY THE EMISSION CONTROL WARRANTY BUT THE SUBSEQUENT CATALYTIC CONVERTER FAILURE IS COVERED UNDER THE 8/80.000 EMISSION WARRANTY. IF THE CATALYTIC CONVERTER IS SUBSEQUENTLY CAUSED BY THE FAILURE OF IGNITION COIL THEN WHY IS THE IGNITION COIL NOT COVERED UNDER THE EMISSION WARRANTY. THIS IS ANOTHER BUREAUCRATIC SNAFU. THE CAUSE OF THE EMISSION FAILURE IS NOT COVERED UNDER THE EMISSION CONTROL WARRANTY. SO MAYBE I SHOULD WAIT UNTIL THE CATALYTIC CONVERTER FAILED AND HAVE MAZDA (FORD) REPLACE THE CATALYTIC CONVERTER AND THEN REPLACE THE IGNITION COIL PACK THEN BECAUSE IT WILL COST ME THE SAME BUT OVER $1000 FOR MAZDA (FORD).

NHTSA complaint #10169711 — an unverified report by a vehicle owner.

2002 Mazda MX-5 Miata at 41,500 miles Orange Park, FL

ELECTRICAL SYSTEM

SPEEDOMETER ON 2002 MAZDA MIATA FAILS INTERMITTENTLY. MAZDA REFUSES TO REPLACE EVEN THOUGH UNDER WARRANTY.

NHTSA complaint #10150194 — an unverified report by a vehicle owner.

2003 Mazda MX-5 Miata at 650 miles Jersey City, NJ

ELECTRICAL SYSTEM

EVERY SINCE I PURCHASED MY CAR ON 5/7/03, I HAVE BEEN HAVING HARD STARTS--MORE THAN 24 TIMES. IN ADDITION, WHEN THE CAR WAS LESS THAN A YEAR OLD, ANOTHER DEALER TOLD ME ALL 4 RIMS WERE BENT. I ALSO HAD A RACING ISSUE OCCUR 3 TIMES ON SAT. 3/12. I HAVE TAKEN THE CAR BACK TO THE DEALER 3 TIMES FOR THE TWO INTERMITTENT PROBLEMS. RECENTLY, THEY FIXED THE HARD START BY REPLACING THE BATTERY BUT THEY CHARGED ME FOR IT. THEY SHOULD NOT HAVE CHARGED ME IF THIS IS WHAT CAUSED THE HARD STARTS SINCE DAY ONE. I TOLD THEM THIS BUT THEY SAID THEY DIDN'T FIND THE BATTERY TO BE A PROBLEM THEN. THEY ALSO TOLD ME ALL 4 RIMS WERE BENT. WHEN THE FIRST DEALER MENTIONED THIS I THOUGHT THEY WERE MISTAKEN AS MY CAR WAS BRAND NEW AT THE TIME. I AM THE ONLY DRIVER, DO MOSTLY HIGHWAY DRIVING, AND HAVE NOT HIT ANY BIG POTHOLES OR GONE OFF ROAD WITH THE VEHICLE. I ASKED IMMEDIATELY AFTER I PURCHASED THE CAR WHY IT WAS SO BOUNCY AND THEY SAID THAT IS THE WAY SPORTS CARS ARE. BASED ON MY LETTER, SAM AT MAZDA USA (1-800-222-5500 X1157) CALLED ME. E SAID THAT MAZDA CAN'T DO ANYTHING TO FIX THE CAR UNLESS THE PROBLEMS RECUR. HE ALSO SAID THAT THE RIMS BEING BENT ARE DUE TO OUTSIDE INFLUENCE; SAYING I MUST HAVE HIT SOMETHING. I'M TIRED OF FIGHTING SINCE I PURCHASED THIS VEHICLE WITHOUT ANY RESULTS. THE ONLY WAY THESE RIMS COULD HAVE BEEN BENT IS IF THEY SOLD THE CAR TO ME LIKE THAT OR NORMAL DRIVING CONDITIONS CAUSED THEM TO BEND--MEANING THE RIMS ARE DEFECTIVE. THE CAR HAS BEEN VERY BOUNCY AND VERY RARELY SORT OF LOOSEY GOOSEY WHEN IT COMES TO STEERING CONTROL SINCE THE BEGINNING SO THE CAR MUST HAVE HAD BENT RIMS FROM THE FACTORY. *AK

NHTSA complaint #10116762 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata Matthews, NC

ELECTRICAL SYSTEM:IGNITION

1999 MAZDA MIATA HAD PROBLEM WITH IGNITION COILS. THE SENSORS INDICATED THAT THERE WAS A PROBLEM WITH THE CATALYTIC CONVERTER AS WELL. CONSUMER IS REFERENCING COMPLAINT 10093484.*MR

NHTSA complaint #10117243 — an unverified report by a vehicle owner.

2000 Mazda MX-5 Miata at 23,000 miles Shelton, CT

ELECTRICAL SYSTEM:IGNITION

I PAID A TOTAL OF $835.03 IN REPAIRS DUE TO UNQUALIFIED MAZDA TECHNICIANS AND INFERIOR PARTS (IGNITION COIL) THAT MAZDA KNOWINGLY INSTALLED IN THE 1999 AND 2000 MIATA?S. IN MAY 2004 MY ENGINE LIGHT WENT ON. I HAD THE SPARK PLUGS AND SPARK PLUG WIRES CHECKED TO DETERMINE IF THAT WAS THE PROBLEM AND THEY WERE FINE. I CALLED THE DEALERSHIP AND EXPLAINED THE SITUATION AND BROUGHT THE MIATA IN FOR SERVICE. I WAS INFORMED BY THE SERVICE DEPARTMENT THAT THERE WAS A P0300 CODE (RANDOM MISFIRE ) AND THAT THE SPARK PLUGS AND SPARK PLUG WIRES NEEDED TO BE CHANGED. I TOLD THE SERVICE CONSULTANT THAT THE PLUGS AND WIRES WERE ALREADY VISUALLY INSPECTED AND DEEMED TO BE IN WORKING ORDER. HE INSISTED THE PLUGS AND WIRES WERE THE ISSUE AND PERFORMED A TUNE-UP FOR 322.24. I HAD TO BRING THE VEHICLE IN THREE MORE TIMES BECAUSE THE ENGINE LIGHT CONTINUED TO GO ON. FINALLY IN DECEMBER 2004 THEY CONCLUDED IT WAS THE IGNITION COIL AND I WAS TOLD IT WOULD BE AN ADDITIONAL 512.79 TO CORRECT. WHEN I ASKED IF THEY CAN DO SOMETHING ABOUT THE PRICE CONSIDERING THEY MISDIAGNOSED IT THE FIRST TIME, THEIR RESPONSE WAS ?YOU NEED A TUNE-UP AT 30,000 MILES ANY?. FIRST OF ALL WHEN I GOT THE TUNE-UP IN MAY THERE WERE ONLY 23K MILES ON THE CAR (I STILL DON?T HAVE 30K MILES ON IT). SECOND OF ALL IF I WAS TOLD A TUNE-UP WAS NOT GOING TO CORRECT THE PROBLEM I NEVER WOULD HAVE AGREED TO GETTING ONE. I?VE RECENTLY DISCOVERED THAT THE IGNITION COIL IS A KNOWN PROBLEM ON THE '99 AND '00 MIATA THAT MAZDA REFUSES TO ADDRESS. SINCE THIS IS A KNOWN ISSUE, THE DEALERSHIP SHOULD HAVE INSPECTED THE IGNITION COIL WHEN THE VEHICLE WAS FIRST BROUGHT IN AND IT SHOULD BE A RECALL ISSUE. NO OLD PARTS ARE AVAILABLE.

NHTSA complaint #10106052 — an unverified report by a vehicle owner.

2000 Mazda MX-5 Miata at 38,360 miles Fairview, OR

ELECTRICAL SYSTEM

1.ENGINE BEGAN TO RUN POORLY VEHICLE LOST SPEED. 2. HAD TO EXIT FREEWAY AND USE SIDE STREETS TO RETURN HOME 3. TOOK CAR TO DEALER FOR DIAGNOSTICS, SERVICE REPORT INDICATED THAT THE COIL/IGNITER WAS DEFECTIVE WHICH WAS THE CAUSE OF THE LOSS OF POWER. RESEARCH INDICATES THAT THE COIL/IGNITER FAILURE IS A PROBLEM ON THE 1999, 2000 MODELS.

NHTSA complaint #10100398 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata at 30,000 miles Springfield, VA

ELECTRICAL SYSTEM:IGNITION:MODULE

THIS IS A PROBLEM THAT READ IN THE THE MIATA'S FORUM. MY 19'99 MIATA IS HAVING A PROBLEM WITH THE IGNITION COIL, AND THE SENSORS WILL SAY ABOUT A PROBLEM IN THE CATALYTIC CONVERTER. I RECENTLY GOT MY CAR, AND IS ONLY 35K, BUT THE LIMITED WARRANTY FROM THE DEALER JUST EXPIRED A WHILE AGO. FROM THE LARGE AMOUNT OF PEOPLE DESCRIBING THE PROBLEM ALONG THE INTERNET (YOU CAN READ IT HERE: HTTP://WWW.MIATAFORUM.COM/CGI-BIN/ULTIMATEBB.CGI?UBB=GET_TOPIC&F=27&T=000103), I DON'T UNDERSTAND WHY MAZDA IS NOT DOING A RECALL ABOUT THIS PROBLEM.

NHTSA complaint #10093484 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata at 41,730 miles Miamisburg, OH

ELECTRICAL SYSTEM:IGNITION

THE COIL PACK HAS FAILED ON MY 1999 MAZDA MIATA WITH LESS THAN 42000 MILES. MY INFORMATION IS THAT THERE WAS A RECALL ON 1999 MAZDA PROTEGES FOR THE COIL PACK FAILURE AND THAT THE MIATA PART IS IDENTICAL EXCEPT FOR THE MOUNTING BRACKET.

NHTSA complaint #10086548 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata Harvest, AL

ELECTRICAL SYSTEM:IGNITION

1999-2000 MIATAS HAVE AN ESTABLISHED INTERMITTENT IGNITION COIL FAILURE PROBLEM PER SEVERAL OWNERS FORUMS. THE IGNITION COIL FAILS WHICH CAUSES A MISFIRE CONDITION, THIS RESULTS IN UNBURNED FUEL REACHING THE CATALYTIC CONVERTER WHERE IT BURNS AND OVERHEATS THE CONVERTER. THIS OVERHEATING CAN DESTROY THE CONVERTER AND POTENTIALLY DESTROY THE OXYGEN SENSORS. THIS EXACT SCENARIO HAPPENED TO ME ON THE INDICATED DATE. MY VEHICLE HAS LESS THAN 37K MILES ON IT BUT IS OUT OF WARRANTY AND NOW I MUST REPLACE THE COIL AND CONVERTER. I BELIEVE THIS SITUATION WARRANTS A RECALL.

NHTSA complaint #10054906 — an unverified report by a vehicle owner.

1999 Mazda MX-5 Miata at 5,800 miles Bellingham, WA

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

PROBLEMS WITH VEHICLE BATTERY, REQUEST FOR REIMBURSEMENT.*MR BATTERY DIED AT 5800 MILES.

NHTSA complaint #10044852 — an unverified report by a vehicle owner.

1997 Mazda MX-5 Miata Fort Myers, FL

ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

I HAVE A 1997 MAZDA MIATA WITH 113,000 MILES. IT HAS BEEN A GREAT CAR UP UNTIL THIS RECENT PROBLEM. IT STARTED OUT THAT THE "METER" FUSE WAS FAILING INTERMITTENTLY. WHEN THE 15 AMP FUSE WAS REPLACED IT WOULD WORK FINE FOR APROXIMATELY 2-3 MINUTES (MAYBE LESS) AT WHICH POINT I NOTICED THE "SERVICE ENGINE" LIGHT IS NOW ON AND THEN THE FUSE WILL FAIL AGAIN. THIS HAPPENED SEVERAL TIMES UNTIL NOW. NOW WHEN THE FUSE IS REPLACED AS SOON AS THE IGNITION CYLINDER IS CYCLED THE FUSE FAILS INSTANTLY. I AM AN AUTOMOTIVE TECHNICIAN, AND CHECKED A WIRING SCHEMATIC AS TO WHAT THIS "BLACK-YELLOW" WIRE ON THE "METER" FUSE SUPPLIES. BY THE WAY, AT THIS TIME I HAVE NO TURN SIGNALS, TACHOMETER, GAUGES OR WARNING LIGHTS. THIS PROBLEM IT DRIVING ME INSANE!!! I WENT THROUGH THE MANUAL AND DISCONNECTED EACH COMPONENT INDIVIDUALLY TO TEST THE CIRCUIT AT WHICH EACH TIME THE FUSE STILL FAILED. THE LIST OF COMPONENTS I TRIED ARE THE OXYGEN SENSORS, THE ECM, THE TURN SIGNAL SWITCH, AND THE INSTRUMENT CLUSTER (CRUISE CONTROL IS ALSO ON THIS CIRCUIT, BUT THE VEHICLE IS NOT SO EQUIPED) ALL TO NO AVAIL!!!! AM I MISSING SOMETHING? IS THERE A SHORT IN THE WIRING HARNESS ITSELF, IF SO, ANY SUGGESTIONS AS TO WHERE I SHOULD EXTEND MY SEARCH? THIS HAS BEEN A PROBLEM FOR ABOUT 2 WEEKS NOW AND I AM UNCOMFORTABLE DRIVING THE VEHICLE WITH THE ABOVE STATED CONCERNS. ANY INFORMATION YOU CAN GIVE ME REGUARDING THIS CONCERN WOULD BE GREATLY APPRECIATED!!!.

NHTSA complaint #10032778 — an unverified report by a vehicle owner.

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