Ford’s recall troubles aren’t letting up just yet. Nearly 150,000 current-generation Mustangs are being called back over an electrical problem that can cause considerably more trouble than an annoying warning light, with affected cars potentially losing motive power while driving.
The recall covers 148,663 Ford Mustangs from the 2024 through 2026 model years and centers around ground eyelet terminals in the engine-compartment wiring harness that can fatigue and fracture. Depending on which connection fails, owners could lose propulsion, one or both headlights, windshield-washer functionality, air conditioning, or even the engine cooling fan. Ford estimates that just one percent of the recalled population actually has the defect.
A Tiny Electrical Connection Can Cause Some Big Problems
According to the recall with the National Highway Traffic Safety Administration (NHTSA), the problem comes down to the heat-shrink material used around the engine-compartment wiring harness. In some vehicles, adhesive from that material can intrude into the ground eyelet’s bolt-clearance area, causing the eyelet to bend. Vehicle vibration can then fatigue the terminal until it eventually fractures. Ford says drivers may receive a check-engine light, instrument-cluster warning messages, or an audible chime depending on which connection is affected.
What happens next also depends on the terminal that fails. Losing air conditioning is an inconvenience, but a fractured eyelet can also disable the engine cooling fan, headlights, or windshield-washer pump. More importantly, it can result in a loss of motive power while driving. NHTSA’s filing specifically warns that losing propulsion, lighting, or windshield-washer functionality can increase the risk of a crash.
The potentially affected Mustangs were produced between September 7, 2022, and June 9, 2026. Ford used assembly-plant production records to establish the recall population, noting that the problematic heat shrink was introduced with 2024 model-year production. Corrective action was introduced on June 9, 2026.
The good news is that Ford isn’t aware of any accidents or injuries associated with the problem. More interestingly, the company appears to have discovered the weakness after essentially breaking a future Mustang itself.
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Ford Discovered The Problem While Testing A 2027 Mustang
Ford’s Electrical Distribution System team first notified its Automotive Safety Office about the problem on June 4, 2026, after two ground eyelets broke on a 2027 model-year Mustang durability test vehicle. That failure resulted in a loss of motive power during testing. Engineers subsequently determined that the same potential problem existed on Mustangs already in production, and Ford issued a stop-ship order for 2026 Mustangs that same day.
The issue reached Ford’s Critical Concern Review Group on June 9, and engineers spent June and July analyzing potential failure modes and how the problem progressed. By August 4, Ford had identified eight warranty claims globally, four of which occurred on vehicles with less than three months in service. It had received no related Vehicle Owner Questionnaires, and Ford’s Field Review Committee approved the recall on August 18. The automaker formally submitted the recall to NHTSA on August 25.
Finding the defect while durability-testing a future Mustang may have helped Ford identify the weak point before the problem became more widespread, but current owners still need revised hardware to eliminate the potential failure.
Mustang Owners Are Getting Four Revised Ground Connections
Fortunately, repairing the problem doesn’t require anything as dramatic as the list of potential symptoms might suggest. Ford dealers will replace all four engine-compartment wiring-harness ground terminals with revised standoff eyelet pigtails at no charge to owners. The redesigned components feature a stepped-neck terminal geometry that Ford says eliminates the interference and bending stress responsible for the fatigue problem under vehicle vibration.
Ford expected dealers to be notified on August 28, while interim letters to affected owners are scheduled to be mailed between August 31 and September 4, 2026. Remedy owner notifications aren’t expected to be completed until the first quarter of 2027, with the filing listing March 31 as the planned remedy-notification date. VINs were scheduled to become searchable on August 28. Owners can also contact Ford or a local Ford or Lincoln dealer to determine whether a specific Mustang is affected.
Ford estimates only around one percent of the nearly 149,000 recalled Mustangs actually have the defect, and it isn’t aware of any crashes or injuries related to the issue. Still, when a component as small as a wiring-harness ground connection can potentially take away propulsion, headlights, or engine cooling, it’s one recall Mustang owners won’t want to ignore.
Source: NHTSA
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