General Information

p3 dm 03.01.001

Electrical power distribution provides battery power to the electrical and electronic systems. See Fig. for power distribution component locations.

The following components make up the power distribution system:

  • MEGA Fuse Junction Block (MFJB), EPA07 only

  • Powertrain Power Distribution Module (PT-PDM)

  1. SAM Cab

  2. Powertrain PDM (PT-PDM)

  3. Powernet Distribution Box (PNDB)

  4. SAM Chassis

  5. Main Ground Junction Block

  6. MEGA Fuse Junction Block

  7. Cab Load Disconnect Switch (optional location)

  8. Cab Load Disconnect Switch (optional location)

  9. Trailer PDM

Fig. 1, Component Locations

  • Powernet Distribution Box (PNDB), EPA10 and newer

  • Cab Load Disconnect Switch

  • Auxiliary PDM

Note:
Parent topic: Electrical Power Distribution
Document Number: 0000111668
Manual Publication Date: 2025-02-11
Topic Publication Date: 2024-05-06