Reddit reviews 25 Packard 56 Series Female 12 Gauge Terminals For GM 2989877

That's irrelevant to the multifunction aspect of the switch fortunately. All you need in order to access that is the puller and the plate press. The lever itself is connected to an arm in the column which engages the actual turn signal switch behind the lock plate. There's a chance the screw has come loose.

However, signal function after turning off the vehicle sounds like a combination of ignition switch adjustment, and possibly impending switch failure and potential connector issues. Really, this is just something that happens with Saginaw columns, so it's a guess thrown at a big target essentially. If things like the blower controls and radio also work when you have this issue, I'd look at the ignition switch and it's connectors. It could be as simple as the hardware holding the switch down to the column is loose. Does your high beam switch work?

I bought something like this but didn't care for the idea of splicing leads so I also got some of these and some of these to terminate at the end of the wire without a splice.