Power Distribution System

2008 Jeep Commander Overland, 4WDSECTION Power Distribution System

This information covers the various standard and optional power distribution components used on this model. The power distribution system for this vehicle consists of the following components:

  1. Front Control Module (FCM)
  2. Integrated Power Module (IPM)
  3. Power Distribution Center (PDC)
  4. Junction Block (JB)
  5. Power Outlets

The power distribution system also incorporates various types of circuit control and protection features, including:

  1. Automatic resetting circuit breakers
  2. Blade-type fuses
  3. Bus bars
  4. Cartridge fuses
  5. Circuit splice blocks
  6. Flashers
  7. Fusible links
  8. Standard and Micro-Relays

Following are general descriptions of the major components in the power distribution system. See the owner's manual in the vehicle glove box for more information on the features and use of all of the power distribution system components. For complete circuit diagrams, refer to the SYSTEM WIRING DIAGRAMS article.

For specific fuse location and types, refer to SPECIFICATIONS .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.