I made the tests that you have suggested, I disconnected the ignition harness from the truck, probed the terminals inside plug, first batt 2-12pk/bk ( which btw shows no sign of ever having a black stripe through it ) and the start 14YE and this was my reading I then did the same test on the BATT 1-12 RE and the START 14YE and same result I’ll assume that this still points to a bad switch? Is that correct? Is there any chance that the ignition switch isn’t getting grounded properly? Or ???