Thanks for the further info. Im only thinking digital gauge as i dont want to put my dodgey wiring in my good car, ive already got a project car which is exactly for that!I am really not a fan of digital gauges like that, I made something similar with a kit from Jaycar to display AFR hehe... too hard to read rapidly changing digits and you don't see trending very well.
Power, I picked up the line I ran to the rear camera a couple of weeks ago (where I pulled apart the fusebox to put a new fuse circuit in which is always on) and for the +12V ignition line, I found a suitable fuse on the top row that has 12V when ignition on (and cranking... some of the others would drop the 12V during cranking and from what I can determine from the sparse instructions that came with the PODI, you should not use a line that drops during cranking). I used a stanley knife to cut the plastic away from one small part of the fuse and soldered the wire to it (bit getto, might eventually get one of those fuse extension things that can let you tap in that way, but I have a few spare fuses I bought when doing the rear camera.. and didn't realise the camera kit came with a fuse, it was kind of stuck in the bottom of the box hehe). The column cover clips off, no screws or anything. The back of the top cover has a vinyl piece that is hot melted to a section under the MFD, you can unclip that (so I found out after tearing the vinyl away from it... whoops). The PODI steering column cover comes with a VW part numbered replacement vinyl section anyway (since it looks nearly impossible to unclip it from the top of the original steering column cover).
The biggest difficulty was getting the cable from the sender into the car, it seems the only cable entry point between engine bay and cabin is behind the battery (I originally was going to take it thru there, thought the cable they provided might be slightly too short, so mounted it drivers side, then realised I couldn't get the cable into the cabin from there anyway, so back I went to mounting it down the passenger side and luckily the cable was *just* long enough to reach thru to behind near the fuse box).
I got the nice boost tap that easily clips onto the inlet manifold and then the PCV tube goes into it, fits quite well, 42DD make the same boost tap too.
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