Grand Cherokee 4WD V8-4.7L (2003)
Amplifier: Testing and Inspection
DIAGNOSIS AND TESTING - AMPLIFIER
The power amplifier unit should be checked if there is no sound output noted from the speakers.
For diagnosis of the power amplifier, refer to Speaker Diagnosis and Testing. For complete circuit diagrams, refer to the appropriate wiring
information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and
retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds.