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Wow, guess the guy never heard of a hole saw. I had to drill holes in my doors for my stereo upgrade, - completely ruining the originality of my car - but mine don't look like that.
I did have some wiring I didn't like too much.
Converted this
To this
And the mounting frame for my convertible top was screwed to the rear deck without any seal or insulation between them and attached with wood screws through the fiberglass deck. I obviously changed that too (no pics though).
And then had to make sense of all this. I'm honestly amazed everything works.
Somebody jammed a bolt with an overly long unthreaded portion into one of the lca holes that smashed the threads. It was the wrong grade too. I was very lucky I was able to clean it up with an extra long tap and put a longer full-thread bolt in.
I also cut down the top to make it lower profile, created my own mounting **** from a wing nut and stainless bolt since the regular one was too long after making it thinner, and then added the foam sealing material along the open edges.
The full details are in my "928 Spyder Maiden Voyage" thread that I started using as my project thread afterwards.
This one also had a nice feature where a blown fuse turns on a light in the fuse box so you can tell just by looking at it.
I used one of the positive posts and sides for constant 12v power and the other for switched 12v power. The switched side is fed by an 80 A spdt relay.
I did a similar thing on the inside of the car when adding all my electrics with a smaller version that I found somewhere. Same thing on that one with switched and constant.
Look to the left of the OEM panel
and then I made a custom panel cover from a scrap of Dupont Corian. Nice and strong for the passengers feet to push against, and a non electrically conductive material.
I then created a manual that has all the connection numbers, fuse sizes, and wire colors for these auxiliary panels and that stays in the car (but can't get that screen capture to load). The wires I added that run throughout the car are also labeled with a thermal label printer.
Last edited by Petza914; Jan 31, 2019 at 11:23 PM.