Coolant Level Indicator Lamp: Description and Operation
Coolant Level Warning LightThe Instrument Cluster (Z142) receives battery voltage through the Engine Coolant Level Switch (X144) with the Ignition Switch (X134) in position II and the engine coolant level OK. If the engine coolant level is low, the Engine Coolant Level Switch (X144) opens, removing voltage from the Instrument Cluster. The Instrument Cluster then lights the coolant level warning light.