High Charging Rate. Found Voltage Drop Need Guidance Please

HiPoVALIANT said

Black probe to battery negative, red probe to run side terminal. I'm doing it the same way that I check ground points. Is this not right?

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This would show total resistance from "run side terminal" to ground post?
Is this what you wanted to measure?

If by "run side terminal" you are refering to the terminal on the ballast resistor, then we might be onto a hunt for a poor ground connection.
If it refers to the terminal with wires crimped to it inside the connector, then something is weird. Assuming the battery positive is not connected, it indicates a ground short.