C 2500 3/4 Ton Pickup 2WD V8-454 7.4L VIN W 4-bbl (1982)
Fuel Gauge: Testing and Inspection
Fig. 4 Fuel Gauge Diagnostic Flow Chart
Tester J24538-A or equivalent must be used to diagnosis a fuel gauge malfunction.
When troubleshooting fuel gauge refer to Fig. 4 for diagnostic flow chart.