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Check fuse #29 in the I/P block (passenger footwell). Did you notice if the courtesy lights were working, that fuse also powers them.
If the fuse is good then check to see if the Data Link Connector (the DLC is where the WV is plugged in) is getting power. Put a voltmeter on pins 4 or 5 for the (-) and pin 16 for the (+). Pin #1 is at top right corner, then count straight across to #8 on top left corner, move straight down to #9 at bottom left corner, then count over to #16 at bottom right corner.
If the fuse is good, and you're getting power at the DLC, then you probably (hopefully) have a loose connection somewhere, but I have no idea where. If that's not it, then you might need to make a trip to your dealer. :sad:
Everything that the WV controls taps in to it somewhere. You probably blew the fuse while unplugging the seats. Replace the fuse, if it blows again, then rip out the carpet again to look for an exposed wire, if it's still good when you plug in the WV, then problem solved, time to go for a :auto: