Relay Box: Description and Operation
DESCRIPTION
CAUTION:
Within the power distribution system there are replaceable diodes that can be installed incorrectly. Ensure when replacing a diode that it is inserted in the correct orientation.
The majority of electrical system fuses and relays are housed in the Power Distribution Centers (PDC) located in the engine compartment. The PDC located next to the battery is replaced only as part of the body wiring harness.
For fuse description and layout Locations
Exterior Stop Start PDC located beneath drivers side of the dashboard. This component will appear as a capped connector. Remove the cap to access the fuses. This component resides close to the Body Control Module (BCM) location.
The power distribution system for this vehicle consists of the following components:
- Cigar Lighter Outlet
- Body Control Module (BCM) - located under dash
- Power Distribution Center (PDC) - located underhood
- Exterior junction block from the PDC located underneath the dash. (See imagine above) This will exist for vehicles that have the Stop Start option,
- Power Outlets
Refer to Wiring Diagrams for complete circuit schematics.
The power distribution system also incorporates various types of circuit control and protection features, including:
- Automatic resetting circuit breakers
- Blade-type fuses
- Cartridge fuses
- Relays
- Mini fuses