Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Power Distribution: Description
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:
- Body Control Module (BCM)
- Power Distribution Center (PDC)
- Auxiliary PDC for vehicles equipped with a diesel engine
- 12 Volt Power Outlets
- Universal Serial Bus (USB) Charge Only Ports
- Power Inverter Module
- NAFTA model 115 Volt Power Outlet.
- BUX model 220 Volt Power Outlet
The power distribution system also incorporates various types of circuit control and protection features, including:
- Automatic resetting circuit breakers
- Blade-type fuses
- Cartridge fuses
- Fusible links
- 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. Refer to the appropriate Wiring Diagrams for complete circuit diagrams.
For specific fuse location and types. Refer to FUSE - RELAY LOCATIONS AND TYPES, SPECIFICATIONS .
The PDC is serviced as part of the engine compartment body harness.
The Auxiliary PDC is serviced as part of the headlamp to dash wire harness.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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