Alright, got my info together and here's what the factory power set up is like.

The pump draws power from under the dead pedal in the driver's seat area, from the X30 power block.

If you have a car pre X30 block, you'll have to draw power directly from fuse 19.

Anyone have any ideas which path to take to run the wire to the trunk as minimally invasive as possible? i.e. I do not want to take the seats out unless absolutely necessary...

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1987 560SEL (210,000 miles)