Help 06 cummins Suddenly won't crank over
 

Here is what I did coming up to the crisis drove truck from the back yard to the front about 100" shut the truck down ran a power cable thur the fire wall not hooked up to and power yet and had the key turned forward for about 2.5 hrs doing stuff around the house then coming back to the truck went to start it and it won't crank like if I didn't have the clutch in. Check all fuses, took battier cables off check each battier they are reading. 11.8 each, hook jumper cables up still nothing, jump the starter the starter turns and jump the solenoid the appendix clicks I can't think of anything eles help me plz

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Come on people. I need ur help I'm stumped on it and don't know what else to do!

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Ok I just got it started I took a wire and jump it from my batterie and the little yellow wire from the starter so I'm not getting power from my key to the starter