I posted this in the General forum. The indie shop found that my TCU is waking up, pulling ~.5 amps then going back to sleep. The shop is working to determine if we can simply unplug the TCU. I do not use the car's Bluetooth as it is too old and it is rather irrelevant in a convertible.
I will post an update.
For others with a parasitic battery drain, check our TCU.
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