My Circuit Is Incorrect
Hi Kai,
I knew it after I posted so I double checked myself online. My circuit instructions are incorrect (it has been a long while since I built a homemade continuity tester). The battery has to be connected to the two continuity tester probe wires, not the blade and the suspected tang. As you suggested, testers with built in batteries are relatively cheap and it would probably be best to just buy one. If you want to go the homemade way, I found four u-tube videos showing how.
Sincerely,
RobT
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