Problems · by component
1998 GMC Jimmy electrical system problems
33 owner complaints to NHTSA about the 1998 GMC Jimmy cite electrical system, 13% of all 254 complaints for this model year.
Complaints
33
13% of all complaints
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
1
Reported by owners
What owners say about the electrical system
Verbatim from NHTSA complaints, newest first
“THE FIRST TIME IT HAPPENED, I STARTED THE VEHICLE AND LEFT THE PARKING LOT, STOPPED AT A STOP SIGN, PROCEEDED INTO THE ROADWAY AND ENGINE DIED. EVERYTHING WENT OFF - ALL POWER ALL ELECTRICAL. I HAD JUST PURCHASED THE VEHICLE SECOND HAND AND THE OWNER TOLD ME LATER THAT SHE HAD BATTERY PROBLEMS, BUT SHE PUT IN A NEW BATTERY. THE DEALER COULD NOT FIX IT. MY HUSBAND FIGURED IT WAS THE IGNITION SWITCH. I KEPT THE CAR FOR TWELVE YEARS AND HAD TO CHANGE IT TWICE, PLUS THE INITIAL REPAIR WAS WARRANTIED. WHEN IT FIRST OCCURRED IN 2000 I LOOKED FOR A RECALL, BUT THERE WAS NONE. I REMEMBER THE PREVIOUS OWNER HAD A VERY LARGE KEYCHAIN, AND WE DID FIGURE OUT ON OUR OWN TO CARRY A SINGLE KEY, BUT AFTER ABOUT 5-6 YEARS YOU STILL NEED TO CHANGE THE IGNITION, YOU CAN TELL CAUSE THE ELECTRONICS START GOING WACKY IN THE VEHICLE. THEN IT WON'T START, LIKE YOU THINK ITS THE BATTERY. IT IS SAD THAT PEOPLE DIED FROM THIS AND THAT GMC CANNOT ADMIT THAT THIS HAS BEEN GOING ON, I KNOW SINCE 1998. I NOW KNOW WHY I GOT SUCH A GOOD DEAL ON THE VEHICLE, THAT PERSON COULD HAVE KILLED ME, BY NOT TELLING ME THE TRUTH! *TR”
“I HAVE A GMC JIMMY THAT IS EXPERIENCING MULTIPLE DASHBOARD FAILURES. WHEN I FILL THE GAS TANK THE GAUGE GOES TO EMPTY, THEN WHEN I DRIVE A WHILE IT GOES TO FULL AND THEN BACK TO EMPTY. I NEVER HAVE A PARTIALLY FULL READING. ALSO THE AIR BAG LIGHT COMES OFF AND ON. MY OIL PRESSURE GAUGE REVES UP AND DOWN LIKE I AM OUT OF OIL. I PULL OFF THE ROAD AND CHECK AND THE OIL IS FINE. I AM NOT SURE WHAT TO DO ABOUT THIS. I TOOK IT TO THE GM DEALER AND THEY WANT MORE THAN I CAN AFFORD JUST TO LOOK AT IT AND CAN'T GUARANTEE ANYTHING. I DID PAY $85 TO PUT IT ON THE DIAGNOSTIC TESTER BUT THIS NEVER SHOWED UP. PLEASE HELP! *TR”
“I WAS DRIVING A 1998GMC JIMMY FROM OKLAHOMA CITY, OK TO WALTERS, OK. EVERYTHING WAS GREAT AND THE CAR WAS DRIVING PERFECTLY. I WAS ON THE HE BAILEY TURNPIKE ON HIGHWAY MARKER 30 - I COULD SEE THE SIGN AND PULL OFF FOR THE FAXON EXIT AND THE BIG SIGN FOR WALTERS. A FEW WISPS OF WHITE SMOKE APPEARED AND THEN HEAVY GREY SMOKE STARTED TO BILLOW INTO MY FACE THROUGH THE RIGHT SIDE VENT OF THE DRIVER'S SEAT. I STARTED TO COUGH AND COULDN'T SEE SO I PULLED OVER TO THE SHOULDER OF THE ROAD. AS I GOT OUT OF THE CAR, I PULLED THE HOOD RELEASE AND RAN TO THE FRONT OF THE VEHICLES. UNDER THE HOOD, HALF OF THE ENGINE BAY WAS ALREADY BURNED AWAY - LIKE THE BOTTLE FOR ANTI-FREEZE AND HOSES.... THE WHOLE ENGINE BAY WAS ON FIRE. THE CAR WAS GONE AT THAT POINT - THERE WAS NO WAY TO SAVE IT. I RAN TO THE PASSENGER FRONT SEAT AND GRABBED A BASKET THAT HAD MY CENSUS ID AND I THREW IT AWAY FROM THE CAR. I GRABBED SOME CDS THEN TOO, BUT THEY WERE ON FIRE. THE DASH WAS ON FIRE AND WAS SPREADING INTO THE FRONT SEAT. I THREW THE CDS IN THE DIRT TO EXTINGUISH THE FIRE. I GRABBED THE PASSENGER SIDE DOOR OF THE BACK SEAT AND GRABBED A HAMPER WITH PRESENTS FOR MY DAUGHTER. I RAN TO THE…”
“DRIVE AN 1998 GMC JIMMY WITH AROUND 172,000 MILES ON IT (I KNOW THIS IS A LOT OF MILES). HAD THE LOCAL GM DEALER WORK ON MY REAR DEFROSTER (ONE OF THE CLIPS FELL OFF). AFTER RECEIVING THE VEHICLE BACK FROM THE DEALER I TURNED MY DEFROSTER ON ABOUT TWO WEEKS LATER. THE BACK WINDOW EXPLODED LIKE A SHOTGUN AFTER ABOUT 15-20 SECONDS. DEALER SAYS REAR DEFROSTER VOLTAGE REGULATOR MUST HAVE WENT BAD. I ARGUED THAT A FUSE SHOULD HAD BLOWN BEFORE AN EXPLOSION TOOK PLACE. GM COMPLAINT DEPARTMENT ALSO DISAGREES, SAYING THAT THE VEHICLE IS OLD AND THINGS LIKE THIS HAPPEN. LUCKILY, NO ONE WAS STANDING BY THE REAR WINDOW WHEN IT EXPLODED BECAUSE IT PROBABLY WOULD HAVE KILLED THEM. IF I'M WRONG TELL ME I'M WRONG BUT I BELIEVE GM IS RESPONSIBLE FOR NO ONLY REPLACING THE WINDOW BUT FIXING THE REAR DEFROSTER VOLTAGE REGULATOR. I HOPE THIS IS AN ISOLATED CASE BUT MAYBE BY REPORTING THIS I CAN PREVENT SOMEONE FROM GETTING HURT (INCLUDING A GM TECHNICIAN). *TR”
“THE ENGINE CONTINUALLY MISFIRES. THERE IS A TSB BULLETIN #00-06-04-003B. DEPOSIT BUILDUP ON POPPED VALVE BALL &/OR SEAT, CAUSING IT TO STICK. THERE IS A RECALL BECAUSE OF THIS BUT ONLY IN CALIFORNIA. I LIVE IN ALASKA. I GOT AN ESTIMATE OF $1200 BUCKS TO FIX THIS PROBLEM. BECAUSE OF THIS, I ONLY GET 5-7 MPG, AND HAVE LITTLE POWER. ALSO, MY ABS LIGHT TURNS ON AND THE ABS ACTIVATES AT LOW SPEEDS ON DRY GROUND. MY ELECTRICAL SYSTEM IS TOTALLY MESSED UP. MY RIGHT CLICKER JUST THE SOUND NOT LIGHT) GOES OFF WHEN DRIVING. IT IS COMPLETELY ERRATIC AND UNPREDICTABLE. MY SPEAKERS TURN OFF AND ON SPORADICALLY. *AK MY DRIVER SIDE SEAT ADJUSTER BROKE OFF WITH LITTLE PRESSURE. MY STEERING WHEEL CONTINUOUSLY PULLS TO THE RIGHT. THIS MANY PROBLEMS IN A VEHICLE IS RIDICULOUS. WHAT A LEMON. ESPECIALLY SINCE I HAVE SEEN THE SAME EXACT COMPLAINTS ALL OVER THIS SIGHT ABOUT THIS SPECIFIC VEHICLE.”
“KEY GETS LOCKED IN THE IGNITION AND I CAN'T REMOVE IT, THE DASH LIGHTS AND GAUGES DO NOT WORK AND TRANSMISSION DOESN'T START OFF IN 1ST GEAR. THIS HAS HAPPENED 4 OTHER TIMES AND EVERYTIME I HAVE HAD TO HAVE THE IGNITION SWITCH REPLACED AND THIS IS IN A 3 YEAR PERIOD. THIS HAS GOT TO BE THE WORTH PROBLEM ON THESE VEHICLES. *JB”
Showing 6 of 33 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 31, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.