B350 1 Ton Van V8-5.9L VIN Z (1992)
Oil Pressure Sender: Testing and Inspection
W/ Gauge
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.
