[julie_m]

That means the second (smoothing) capacitor can't be bad, because there is not much voltage drop across the resistor between the two capacitors and therefore not much current flowing through it. If nothing else is connected to that capacitor, then that current is just the leakage current.

If the voltage goes up to a sensible amount as the resistance goes down, then the reservoir leakage current might be reasonable. The voltage readings using the two ends of the transformer should be similar to each other.