[Dave Brand]

Originally Posted by Chris Roden

Also, the the solenoid is the good old fashioned type with a starter button between the two terminals. It doesn't make any difference whether I use the key or the solenoid button, coil +ve voltages are the same. I assumed that this was another indication that the Ignition switch was OK.

Have you tried starting using the button on the solenoid? That would give an indication as to whether or not it's an ignition switch fault.