Coolant Temperature Indicator Test
WARNING: This page is about a different car, the 1994 Buick Skylark. However, it is still accessible from the selected car via links, so may be relevant.
- If HOT indicator fails to illuminate when cranking engine, check for burned-out bulb, open light circuit or defective ignition switch.
- If indicator light remains illuminated with engine running, check for excessively high coolant temperature, defective sending unit or short to ground in wire between bulb and ignition switch, sending unit or ECM.