Trailer Light Fuse Location - 2019 Freightliner Cascadia

A main 125-amp fuse for the trailer supply is typically integrated into the chassis module or located near the battery box area. Software Updates:

Unlike older trucks that used simple blade fuses, the 2019 Cascadia uses . The trailer lights are powered by self-resetting electronic switches (breakers) located inside the Front Electrical Panel (under the hood on the driver’s side). 2019 freightliner cascadia trailer light fuse location

Some 2019 models have a PDM located under the hood on the passenger side firewall. This box often contains high-amp fuses (like 125A) that protect the SAM modules themselves. The "No Fuse" Logic (sSAM System) A main 125-amp fuse for the trailer supply