Hello all,
     The coolant temp gauge on my 86 GL isn't functioning.  I believe that the sensor is OK it was replaced when the heads were done in Oct.  I've checked all connections and looked at the Bentley manual but I don't really know were to go from there.  I need to check the gauge itself does anyone know a simple test to check it without pulling the instrument cluster? 
The red light for the coolant level works and lights up fine with I place the key in the ignition.  Thanks, Mark