Light Fuse Location | 2019 Freightliner Cascadia Trailer
If your 2019 Cascadia uses traditional fuses for trailer functions, they are typically found in these three areas:
Finding the fuse for trailer lights on a 2019 Freightliner Cascadia 2019 freightliner cascadia trailer light fuse location
The 2019 Freightliner Cascadia (New Cascadia generation) does not typically have dedicated physical fuses for most individual trailer light functions . Instead, trailer lighting is primarily managed by the SAM (Signal Acquisition and Actuation Module) Chassis JustAnswer Key Component Locations If your 2019 Cascadia uses traditional fuses for
| Function | Fuse Location | Fuse Label | Amp & Type | Typical Symptoms if Blown | | :--- | :--- | :--- | :--- | :--- | | | Under Hood (PDM) | F47 | 30A J-Case | No trailer lights at all | | Tail / Marker Lights | Under Hood (PDM) | F30 | 20A J-Case | No running lights or clearance lights | | Left Turn / Stop | Under Hood (PDM) | F31 | 15A Micro 2 | Left blinker inop; no left brake light | | Right Turn / Stop | Under Hood (PDM) | F32 | 15A Micro 2 | Right blinker inop; no right brake light | | Reverse Lights | Under Hood (PDM) | F33 | 10A Micro 2 | No backup lights on trailer | | 7-Way Constant Power | Battery Box | CB1 | 50A Breaker | Trailer battery not charging / ABS won’t power up | | Stop/Turn Main | Battery Box | CB2 | 20A Breaker | Brake lights work on tractor but not on trailer | 2019 freightliner cascadia trailer light fuse location
: This module is located on the driver's side firewall under the hood. It contains electronic controls for most chassis electrical systems.