Grand Cherokee 2WD Limited V8-4.7L (2002)
Auxiliary Power Outlet: Testing and Inspection
Rear Power Outlet Test
DIAGNOSIS AND TESTING - REAR POWER OUTLET
Refer to Horn/Cigar Lighter/Power Outlet in Wiring Diagrams for the location of complete rear power outlet circuit diagrams.
1. Check the fused B(+) fuse in the Junction Block (JB). If OK, go to Step 2. If not OK, repair the shorted circuit or component as required and
replace the faulty fuse.
2. Check for battery voltage at the fused B(+) fuse in the JB. If OK, go to Step 3. If not OK, repair the open fused B(+) circuit to the Power
Distribution Center (PDC) as required.
3. Remove the plastic protective cap from the rear power outlet receptacle. Check for continuity between the inside circumference of the rear power
outlet receptacle and a good ground. There should be continuity If OK, go to Step 4. If not OK, go to Step 5.
4. Check for battery voltage at the insulated contact located at the back of the rear power outlet receptacle. If not OK, go to Step 5.
5. Disconnect and isolate the battery negative cable. Remove the rear power outlet from the right quarter trim panel. Check for continuity between
the ground circuit cavity of the rear power outlet wire harness connector and a good ground. There should be continuity If OK, go to Step 6. If not
OK, repair the open ground circuit to ground as required.
6. Connect the battery negative cable. Check for battery voltage at the fused B(+) circuit cavity of the rear power outlet wire harness connector. If
OK, replace the faulty rear power outlet receptacle base. If not OK, repair the open fused B(+) circuit to the JB fuse as required.
