Also note that there isn't an integrated module USDM pre MY2003. Then you are looking for power at the interior 'fuse and relay box'

Connector B52 pin 6.
7 pin white/natural color connector at the interior fuse box. Blue/red wire. It powers a lot, so it will be there. It's spliced then runs to various lights and modules. It doesn't land in a connector until the door bulkhead connectors. So, in theory it should be wired up to the doors for you lot.
So you should have to only wire up the doors, and possibly needing a drivers side diode.

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