Power Distribution: Operation

The power distribution system for this vehicle is designed to provide safe, reliable, centralized and convenient to access 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:

• Fuses
• Fuse cartridges
• Fusible links
• Automatic resetting circuit breakers
• Relays
• Flashers
• Timers
• Circuit splice blocks

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

• Engine Fuse Block
• Underhood Accessory Fuse Block
• Illumination Control Module
• Relay Control Module

Following are general descriptions of the major components in the power distribution system. Refer to the owner's manual for more information on the features, use and operation of all of the power distribution system components.