6 volt Starter Help

[54blackhornet]

I am trying to start a GMC 1 ton that has sat for about 10 years. It has a 235 chevy in place of the original 228. The po said it ran fine when he parked it, installed new battery, 1g cables, ran negative cable straight to one of the bolts holding the starter in place to ensure a good ground. When i turn the key the light come on fine, amp gauge shows discharge but nothing happens when i step on the starter peddle on the floor?
I even went under the hood and pushed in the button on the starter that the peddle pushes on from inside, Nothing not even a sound of any kind. The truck has sat untouched in dry Easter Oregon, no rust no humidity. All other accessorys seem to work fine. I was going to pull starter but figured I would ask you guy's first......Thanks.........