2019 Thor Motor Coach ACE
Problems, recalls and owner-reported issues
Electrical system is the leading concern among 2 owner complaints filed for this model year. This is the 7th highest complaint count among 8 ACE model years with reports.
What owners report most often
Recalls and investigations
No safety recalls on file.
Representative owner complaints: electrical system
2 reports, newest first. Show all
Electrical system, Fuel/propulsion system, Dec 18, 2019
TWO OF THE FOUR WELDS ON THE MOUNTING BRACKETS HAVE BROKEN AND ARE COMPLETELY SEPARATED .THE TANK CAN ACTUALLY SWAY A FEW DEGREES. VEHICLE IS UNSAFE TO MOVE AS TANK IS COMPLETELY FULL. WIRES HAVE BEEN ROUTED BETWEEN AND THROUGH THE BRACKETS MULTIPLYING THE DANGER AND PROBLEM. THIS SITUATION OF ROUTING AND SUSPENDING WIRES IS COVERED IN ANOTHER ISSUE NHTSA #11289727. THIS TYPE OF SAFETY PROBLEM SEEMS ENDEMIC OF THIS MOTORHOME AND IT'S CONSTRUCTION. THIS STRETCHES CREDIBILITY TO THINK THIS IS A SINGLE UNIT ISSUE. IT IS IMPOSSIBLE TO KNOW WHEN THIS OCCURRED. THE TANK IS MANUFACTURED BY MANCHESTER TANKS AND CARRIES SERIAL #1898870 *DT*JB *DT *TP *DT MANUFACTURE HAS BEEN CONTACTED AND TANK HAS BEEN REPLACED.*JB
Electrical system, Exterior lighting, Engine, Dec 17, 2019
SUBJECT VEHICLE HAD BUNDLED WIRES SIZE APPROX. #2 DOWN TO #10, WITH A MINIMUM OF 6 WIRES IN THE BUNDLE. WIRES MOSTLY ORIGINATED FROM BATTERY COMPARTMENT WHICH CONTAINS HOUSE BATTERIES AND WIRES FROM ENGINE BATTERY. WIRE BUNDLE WAS IN NO WAY BRACKETED OR HUNG FROM CLAMPS BUT WAS DRAPED OVER/ON THE DRIVE SHAFT NEAR A U JOINT. CONSTANT RUBBING EVENTUALLY WORE THROUGH THE WIRE INSULATION OF THE HEAVIEST WIRES (DC DIRECT FROM BATTERIES) AND SHORTED OUT AND CAUSED THE REMAINING WIRES TO SHORT AND BARE THEMSELVES POSSIBLY THROUGH FIRE. AT THE TIME THIS OCCURRED THE VEHICLE WAS BELIEVED TO BE IN MOTION AND THE WIND MOST LIKELY PREVENTED A CONTINUAL FIRE AS THE VEHICLE WAS TRAVELING ON THE INTERSTATE. CURRENT FROM THE HOUSE BATTERIES WOULD HAVE BEEN SUPPLEMENTED BY CURRENT FROM THE ENGINE ALTERNATOR AND BATTERY WHICH ARE ALL CONNECTED TOGETHER THOROUGH AN ISOLATION RELAY WHEN THE ENGINE IS RUNNING. NO MAJOR FIRE OCCURRED BUT SEVERAL COMPONENTS NEEDED TO BE REPLACED ALONG WITH ALL BATTERIES. DURING REPAIR A HYDRAULIC LINE WAS FOUND DRAPED ON THE CATALYTIC CONVERTER AND WAS ALMOST BURNED THROUGH. ATTACHED PHOTOS SHOW THE RESULT.