I have a 73 TR and for the last eight years it would start right up with no issues. Then I noticed a couple weeks ago there was a slight delay when I turned the key before it would do anything. Power came on but there was a delay in cranking. The other day I turned the key and got nothing. Power comes on but no crank and no clicking. I already had a new starter so I went ahead and replaced it but that was not the problem. I know I need to check the ignition switch but am not sure the best way to check it, or if I need to check other items as well? The previous owner changed out the points for the Petronix module. I don't see a starter relay on the schematic, just one for the horn? I appreciate any suggestions.