I HAVE A WORKING TEST CAR!!!
I got the pin 13 lead soldered onto the chip of the new board. Makes a world of difference. The light even works. The meter is reading 36 to 41 on the short section of track I dragged it over. There's a slight problem with the chassis I used, as it is leaning slightly and is making intermittent contact with the ground. Physical problem, not electronic, should be a quick fix.
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