Ford has recalled 148,663 Ford Mustangs, ranging from model years 2024 to 2026, due to a wiring harness issue that could cause multiple problems, including the loss of headlamp function, windshield washing system, air conditioning, or engine cooling fan functionality.According to a National Highway Traffic Safety Administration (NHTSA) recall report, in affected Ford Mustangs, "the engine compartment wiring harness ground eyelet terminals may experience fatigue fracture. Depending on which ground eyelet fractures, this condition may result in a loss of motive power, loss of right and/or left headlamps, loss of windshield washer fluid pump function, loss of air conditioning, and/or an inoperable engine cooling fan."The issue could pose a safety risk because the affected functions may become inoperable. The report stated:AdvertisementAdvertisement"A loss of motive power while driving increases the risk of crash. An inoperable headlamp may reduce the driver's visibility and/or make the vehicle less visible to other drivers, increasing the risk of a crash. An inoperable windshield washing system increases the risk of a crash."a white sports carAs a result, Ford Mustang drivers affected by the problem have been asked to look out for certain warning signs."Depending on which ground eyelet is affected, the driver may experience an illuminated Check Engine Light (MIL), instrument cluster warning messages, or an audible chime," the recall report added.Ford's review of global field data through August 4, 2026, found eight warranty claims related to the issue, including four reported within the first three months of service, but no Vehicle Owner Questionnaires (VOQs), accidents, or injuries. Following a review by its Field Review Committee on August 18, Ford approved a field action to address the concern.AdvertisementAdvertisementFord will contact affected Mustang owners by mail and instruct them to take their vehicles to a Ford or Lincoln dealer, where "the four engine compartment wiring harness ground terminals replaced with revised standoff eyelet pigtails. There will be no charge for this service." [sic]"The revised service standoff eyelet pigtails featuring a redesigned stepped-neck terminal geometry. This modified geometry eliminates clamp-up interference and out-of-plane bending stress under vehicle vibration," the report added.Ford notified dealers on August 28, 2026, with interim owner notification letters expected to be mailed between August 31 and September 4. Remedy notification letters are expected to be sent in the first quarter of 2027, and affected VINs became searchable on August 28, 2026.