B250 3/4 Ton Van V8-318 5.2L VIN T FI (1992)
Temperature Sensor (Gauge): Testing and Inspection
When a malfunction occurs with a cluster gauge, before disassembling the cluster to check the gauge, check for a defective sending unit or wiring as
follows:
1.
Ground sending unit connector leads, at the sending unit, in the vehicle.
2.
With ignition in On position, a grounded input will cause the fuel or temperature gauge to read maximum or above.
