Grand Cherokee 4WD V8-4.7L (2003)
Relay Box: Service and Repair
Power Distribution Center
REMOVAL
The Power Distribution Center (PDC) main housing unit, the PDC fuse wedges and the PDC bus bars cannot be repaired and are only serviced as a
unit with the right headlamp and dash wire harness. If the PDC main housing unit, the fuse wedges or the bus bars are faulty or damaged, the entire
PDC and right headlamp and dash wire harness unit must be replaced.
1. Disconnect and isolate the battery negative cable.
2. Disconnect each of the right headlamp and dash wire harness connectors. Refer to Connector Locations in Wiring Diagrams for the location of
more information on the right headlamp and dash wire harness connector locations.
3. Remove all of the fasteners that secure each of the right headlamp and dash wire harness ground eyelets to the vehicle body and chassis
components. Refer to Connector Locations in Wiring Diagrams for the location of more information on the ground eyelet locations.
4. Disengage each of the retainers that secure the right headlamp and dash wire harness to the vehicle body and chassis components. Refer to
Connector Locations in Wiring Diagrams for the location of more information on the right headlamp and dash wire harness retainer locations.
5. Unlatch and open the PDC cover.
Fig. 8 Power Distribution Center Connections
6. Remove the two nuts that secure the two-holed eyelet of the battery wire harness PDC take outs to the PDC B(+) terminal studs (Fig. 8).
7. Remove the battery wire harness PDC take out eyelet from the B(+) terminal studs.
