Grand Cherokee 4WD V8-5.2L VIN Y (1998)
Volt Meter Gauge: Testing and Inspection
Testing
If the problem being diagnosed is related to voltmeter gauge accuracy, be certain to confirm proper charging system operation before considering gauge
replacement.
WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO AIRBAG SYSTEMS BEFORE ATTEMPTING ANY STEERING
WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE
PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
Diagnosis of the system voltage input circuit, the Chrysler Collision Detection (CCD) data bus, and/or the Powertrain Control Module (PCM) should be
performed with a DRB scan tool. For further diagnosis of the voltmeter and the instrument cluster circuitry see Instrument Panel, Gauges and Warning
Indicators/Instrument Panel/Instrument Cluster.