Test M: Low Coolant Indicator Short Test

Disconnect the Coolant Level Switch. Put the Ignition Switch in RUN.
^ If the LOW COOLANT Indicator lights, check YEL/BLK (68) wire and Instrument Cluster printed circuit for a short to ground. If OK, service the Instrument Cluster.
^ If the LOW COOLANT Indicator does not light, check for a poor connection. Of OK, replace the Coolant Level Switch.