Power and Ground Distribution: Description and Operation

OPERATION

The power distribution system for this vehicle is designed to provide safe, reliable, centralized and convenient access to distribution of the electrical current required to operate all of the many standard and optional factory-installed electrical and electronic powertrain, chassis, safety, comfort and convenience systems. At the same time, these systems were designed to provide centralized locations for conducting diagnosis of faulty circuits, and for sourcing the additional current requirements of many aftermarket vehicle accessory and convenience items.

These power distribution systems also incorporate various types of circuit control and protection features, including:

- Mini and standard fuses
- Cartridge fuses
- Fusible links
- Automatic resetting circuit breakers
- Relays

The power distribution system for this vehicle consists of the following components:

- Totally Integrated Power Module (TIPM).
- Junction Block (JB)
- Accessory power outlet.