Back to the ignition switch.
I had one for an AD truck that was making poor connections, so I very carefully bent the tabs apart on the back and disassembled it, cleaned the contacts, reassembled.
All better now.

Grigg


•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-