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looking for a simple easy switch for the diff lock....something i can just turn and rout the vaccumm from side to side to turn the lock off and on

Try a Commodore heater switch - they are all vacuum switches I believe, and change the round dial to a small nob. I know someone that had a Vacuum switch on a trailer brake booster, and this is what he did to re route the vacuum lines ( about $6 at the wreckers) I was looking at doing something similar instead of the push button on the console (which I keep turning on accidentally)