From the submitter:
"Well, I have car music again. It doesn't sound great, and I have to manually apply +5VDC to turn on the amp, then disconnect another cable to turn it back off... but it works for now."
Need a new paint job?
When you really really need a sun roof for your car.
Nothing like calling attention to the problem to avoid the problem!
A lot more work...
Grate-is means "for free," right?