2015 Thor Motor Coach Ace Electrical system Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 21,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2015 Thor Motor Coach Ace, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 21,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“After smelling a burnt smell, I investigated and found burnt and melted wire nuts within the power transfer switch. Numerous same issues are reported on the thor rv blog site. It appears that theh wire nuts commonly used in household construction come loose when used in a moving vehicle.”
NHTSA complaint #11114432, filed 2018-07, 21,000 miles“We have been experiencing multiple issues with the electrical system in our RV. There was a serious safety event to took place, where the wiring box under the bed created smoke and we could smell plastic burning. When investigated by my husband, he found that the box under the bed that housed all the wires for the RV had burn marks on the inside of the box and the wires and wire caps had melted. Then we started having issues with the generator not working, and were unable to use the generator. …”
NHTSA complaint #11635895, filed 2025-01Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 20% |
| 2015 | 2 | 40% |
Other parts of the 2015 Thor Motor Coach Ace
← All problems reported for the 2015 Thor Motor Coach Ace
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology