Got a big chunk of the work done today!
Firstly you'll need to take the plastic undertrays off to access everything, then it's time to follow and strip all the wires...
There was a wire running from the ramp up under the passenger seat, under the carpet, and the along the underside of the dash, to a red bulb on the dash (which was met with a second wire that was coming out the back of the OB2)
There was a wire running down the B pillar from an aftermarket switch that checked if the door was closed, it ran down the inside of the pillar under the van and then up under the the passenger seat to meet the other wires. (Had to remove the gas filler cap section due to zip ties) but you could just leave this switch in place to cover the holes and leave the wire going up the B pillar.
There we're 2 wires (one think one thing) running from the positive side of the battery, the thick one to an aftermarket fuse next to the battery. They then ran down through the engine bay to the ramp.
There was a wire coming from the ramp up under the passenger seat to a detachable connector that was mounted to the rear seat base cover. (Other side of the connector is where the controller is attached.) You'll need a de-pin tool if you want to remove it without cutting wires)
I'm not planning on re-using or selling anything, so I've finished the day by just cutting all wires at the point they come out the ramp, then put all the plastic covers back. So essentially I now just have a big metal rectangle bolted via 4 bolts to the bottom of the van.
It's apparently weighs 200kg, so I'm likely going to try to pay a garage to take the last 4 bolts out and dispose of it for me (as I did all the work on a friend's drive and can't just dump the ramp there and walk off!)
Hope that helps someone, I'll update further once the metal box comes off.
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