Grand Cherokee 2WD V8-4.7L VIN J (2004)
Oxygen Sensor Relay: Service and Repair
REMOVAL
1. Remove PDC cover.
2. Remove relay from PDC.
3. Check condition of relay terminals and PDC connector terminals for damage or corrosion. Repair if necessary before installing relay
4. Check for pin height (pin height should be the same for all terminals within the PDC connector). Repair if necessary before installing relay.
INSTALLATION
1. Install relay to PDC.
2. Install cover to PDC.
