ltbordo

runs all the time the car is started? any ideas?

john

GlenL

Bad thermostat at lower-right front corner of radiator. Or a short somewhere. Or a relay problem. ("relay, relay, relay?")

Leon Speed

Compressor doesn't run when the engine isn't running.

GlenL

I figured he meant "condenser."

dr bob

What kinda car are ya working on? Helps to know at least the year so we know what diagram to pull out.

The control relay in the HVAC controller, stimulated by the AC button on the console, would be my starting points if I were looking at my own car and this symptom combination.