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Electrical systemPart report

2018 Harley-Davidson Flhx Electrical system Problems

Complaints
2about this part
Share
25%of 8 total for the year
Median mileage
8,040miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2018 Harley-Davidson Flhx, 25% of the 8 complaints for this model year. Where a mileage was given, the median is 8,040 miles.

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.

“Clutch safety switch intermittently not working. Can not be started in gear with clutch lever pulled in. Causes engine to idle rough and stall in traffic when idling at intersections.”

NHTSA complaint #11326749, filed 2020-06, 500 miles

“Voltage regulator went bad putting out too much voltage at times then not enough voltage jumping into red st times almost 16 volts causing headlight to go dim then bright at times”

NHTSA complaint #11340286, filed 2020-07, 15,580 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2024220%
2018225%
2017240%
201216%
2010625%
20091034%
2008620%
200715%

Other parts of the 2018 Harley-Davidson Flhx

Transmission and drivetrain
5 complaintsEngine
1 complaintsOther or unknown
1 complaintsSteering
1 complaintsWheels
1 complaints

← All problems reported for the 2018 Harley-Davidson Flhx

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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