2500 4x2 Pickup V10-488 8.0L Magnum (1996)
Oil Pressure Warning Lamp/Indicator: Description and Operation
CIRCUIT OPERATION
The case grounded oil pressure sensor is a variable resistor that connects to circuits G60 and G6. Circuit G60 connects to the oil pressure gauge.
Circuit G6 connects to the oil pressure warning lamp.
Circuit F14 connects to the instrument cluster and supplies battery voltage to oil pressure lamp.
When the oil pressure is below a predetermined level the engine oil pressure sensor completes a path to ground causing the lamp to illuminate.