PACCAR issued a recall on multiple vehicle models

On certain vehicles, the trailer cable mounting bracket has a "U-shaped" cut-out that only partially supports the trailer cable connection. This may allow the moulded boot and electrical ground pin to partially or completely pull away from the 7-way socket. Partial or complete detachment can cause reduced water resistance and potential loss of electrical ground. There is also a possibility the trailer lights may fail to illuminate without the operator's knowledge. Reduced visibility during hours of darkness could result in a vehicle crash, causing personal injury or death. Correction: Dealers will install a reinforcement bracket.