Bonneville V6-3800 3.8L Supercharged (1992)
Oil Pressure Warning Lamp/Indicator: Testing and Inspection
Test E: Oil Pressure Indicator Is Always Lit
1.
Check oil level and pressure with a mechanical gage.
^ If oil level and pressure are OK, go to step 2.
^ If oil level and pressure are not OK, see ENGINE MECHANICAL.
2.
With Ignition Switch in RUN, disconnect the Oil Pressure Switch connector.
^ If the Oil Pressure Indicator is now out, replace the Oil Pressure Switch.
^ If the Oil Pressure Indicator is still lit, check the TAN (31) wire for a short to ground. If wire is OK, replace the Instrument Cluster.
