the ticking sound is beause you mount the solenoid directly to metal. If you try mounting the aftermarket solenoid like the stock solenoid (put rubber in between) it should go away. I've couple of fren have the same prob. Dont quote me if I'm not right. Cheers.
Two time world Formula 1 champion has squashed all rumours of him joining rival teams by confirming that he has re-joined his previous outift; Renault, where he was crowned double world...