The starter is directly connected to the battery, so the key switch has nothing to do with why the starter doesn’t operate.

The only thing the key in the on position does is to supply power to the coil and other circuits in the truck.

Here is a post by one of our resident experts on how to troubleshoot your issue.


Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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