G 3500 1 Ton Van V8-454 7.4L VIN N TBI (1995)
Temperature Gauge: Testing and Inspection
Fig. 17 Temperature Gauge Indicates Hot With Engine Coolant Below Operating Temperature.
Fig. 18 Temperature Gauge Indicates Cold At All Times.
Fig. 19 Temperature Gauge Is Inaccurate.
Tester J24538-A, or equivalent, must be used to diagnose a temperature gauge malfunction.
When troubleshooting temperature gauge refer to Figs. 17 through 19 for diagnostic flow chart.