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Hot take: a 20 year old connector pin doesn't owe you a re-crimp just for peace of mind
Last month a junior tech at our hangar in Wichita told me he re-pins every connector he touches just to feel safe, and I think that habit costs more than it saves. Every time you pull a pin that's been seated fine for 20 years, you open up a chance for a bad crimp, a nicked wire, or a pin that gets pushed back in the wrong cavity. I've seen a cannon plug fail 3 weeks after a preventive re-pin, but the original contacts outlasted two engines. If the inspection and pull test pass, leave the pin alone and put your effort into the ones that actually show wear. Has anyone else been pressured to re-pin stuff that was testing fine?
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