The Chevy and GMC engines with the automatic transmission had a solenoid-operated starter, while the manual transmission models used the foot switch. Yes, the foot switch does both functions, first engaging the starter gear, and then connecting the electrical circuit with a heavy manual switch. The starters are very different, and don't share many common parts.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!