Grand Cherokee 4WD V8-4.7L (2003)
Fig. 10 PDC Housing Lower Cover Remove/Install Typical
7. Using a trim stick or another suitable wide flat-bladed tool, gently pry the latches on each side and the front of the PDC housing that secure the
housing lower cover to the PDC and remove the housing lower cover (Fig. 10).
PDC LOWER COVER INSTALLATION
1. Align the PDC housing lower cover on the bottom of the PDC.
2. Evenly press the lower cover into place until latches are fully engaged.
3. Where the right headlamp and dash harness enters the PDC, tape the harness securely to the trough formation on the PDC lower cover.
4. Install the PDC in its mounting location on the battery support.
5. Install the battery wire harness over the two PDC B+ terminal studs. Torque the nuts to 11.3 N.m (100 in. lbs.).
6. Install the battery. Refer to Battery System for the procedure.
7. Install the PDC cover.
PDC B+ TERMINAL MODULE REMOVAL
The Power Distribution Center (PDC) cover, the PDC housing lower cover, the PDC relay wedges, the PDC relay cassettes and the PDC B(+)
terminal stud module are available for service replacement. The PDC cover can be simply unlatched and removed from the PDC housing without the
PDC being removed or disassembled. Service of the remaining PDC components requires that the PDC be removed from its mounting and
disassembled. Refer to Wiring Repair in Wiring Diagrams for the location of the wiring repair procedures.
1. Remove the PDC housing lower cover.
2. From the top of the PDC housing, use a small screwdriver or a terminal pick tool (Special Tool Kit 6680) to release the two latches that secure the
B(+) terminal module in the PDC.
3. Gently and evenly press the two B(+) terminal studs down through the bus bar in the PDC.
4. From the bottom of the PDC housing, remove the B(+) terminal module from the PDC.
PDC B(+) TERMINAL MODULE INSTALLATION
1. From the bottom of the PDC housing, align and insert the B(+) terminal module into the PDC.
2. From the bottom of the PDC housing, align and insert the two studs of the PDC B(+) terminal module through the bus bar in the PDC.
3. From the bottom of the PDC housing, press the B(+) terminal module gently and evenly into the PDC until both of the latches are fully engaged.
4. Install the PDC housing lower cover.
PDC RELAY WEDGE REMOVAL
The Power Distribution Center (PDC) cover, the PDC housing lower cover, the PDC relay wedges, the PDC relay cassettes and the PDC B(+)
terminal stud module are available for service replacement. The PDC cover can be simply unlatched and removed from the PDC housing without the
PDC being removed or disassembled. Service of the remaining PDC components requires that the PDC be removed from its mounting and
disassembled. Refer to Wiring Repair in Wiring Diagrams for the location of the wiring repair procedures.
