First we ID'd the bulb.
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It was confirmed that the 7219 bulbs I'd bought were the correct ones.
Because Marv is an electrical engineer, he knows how to solder.
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Because he knows how to solder, they all work now!
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I'm ahead by at least $35 bucks over what GM wanted for a whole new switch panel (Marv works for hot dogs and tater-tots). There's just no excuse for bulbs to be soldered onto a board like this. Incandescent bulbs are wear items, after all.
Like so many things about cars, owning some basic tools, being mechanically inclined and learning how to use those tools to put your inclination to work pays dividends.
It was confirmed that the 7219 bulbs I'd bought were the correct ones.
Because Marv is an electrical engineer, he knows how to solder.
Because he knows how to solder, they all work now!
I'm ahead by at least $35 bucks over what GM wanted for a whole new switch panel (Marv works for hot dogs and tater-tots). There's just no excuse for bulbs to be soldered onto a board like this. Incandescent bulbs are wear items, after all.
Like so many things about cars, owning some basic tools, being mechanically inclined and learning how to use those tools to put your inclination to work pays dividends.