There is now a short intermission, while Joan feeds the various plugs and cables through the 2" hole inside the Vanagon, to me under the van as I guide them into the right starting positions.
The major part of the harness runs around beneath the top edge of the engine compartment, like the old harness did. Here's a shot of one of the busy areas at the front (driver) end of the engine compartment, showing how neatly it goes where it needs to. Since the various plugs emerge from the harness near to the connectors they go to, it's almost a ten-minute job to fasten it down and plug almost everything in. Three exceptions, to be covered later: the speed sensor, which has to be installed, the wire to the Malfunction Indicator Light MIL) and the new light, and the fuel pump wire, which will have to be routed to the fuel pump where it's mounted next to the base of the sliding door.
Now I've mounted the ECU and added a tiny grommet to feed out the MIL wire. You can see the two pins that held the old ECU to the top and left of the new one. I found that I could easily mount the new unit, using the threaded stud at the bottom of the old unit in the center hole of the bottom of the new mount, then using a standoff on the top left. The right-hand top corner is mounted with a stainless steel screw, since that location emerges inside the wheel well, and even though I treated the area with rustproofing, I wanted to cut the chance of corrosion failure.
I would have taken a photo of the stud, but I'd left the camera out on the bench when I was drilling and mounting. You have to climb in and out of the well behind the seat by crawling over the motor, so I didn't go back out for a photo.
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