This is my first post so please bear with me. 2005 buick rainier 4.2 won't start. It was driving fine when i parked it, next day nothing. No crank, no start. Battery has 12.6v, all the fuses look good, i replaced the ignition switch, still nothing. I can pull the ignition relay and stick a paperclip in the ports and it'll start right up (with the key turned on) but when i pull the clip put it shuts off. This makes me believe the starter and solenoid are good. Am i missing something or does anyone have an idea?