Rebuild of #770

[Bulldog9]

Good morning all,

I've been a lurker for the last 2-3 years, have learned much. I am restoring a 76 912E which as you know is basically 76 911 with a modified 914 Motor. I haven't spent much time posting Q's and input on this forum due to that I have been largely tearing down and motor work, but am now reassembling the body after paint, figured I'd start contributing.

I wont bore you with too many details, if you want to read about the journey, check out the threads in 912BBS #770 Update or 914 World. 914World.com - The fastest growing online 914 community!

It's no mystery that the 911 has terrible lighting, and needs a relay setup for effective lighting and possible upgrades. After researching and piecing things together, I just finished sketching out the head/fog light wiring relays using standard Bosch style Relays. I am about 80% installed at this point.

I wanted to use the open round relay spaces in the fuse box for the relays, but would be about $75/relay for relay and socket, and this is a complete rebuild so this will happen later. I have the relays mounted to a small steel plate below the fuse box/panel.

The car did not have a Fog light Circuit, but there is a place for a fog light fuse. I added one by converting the rear defogger switch to a fog light switch by changing the lens. If at some point I swap out the rear glass for one with intact element I can easily reattach and address a switch for the fog lights.

Because I want them to come on independent of the headlights (not just with low beam), but with the lights, I will take the feed for fog light relay from #7 license plate fuse or one of the parking lights, run a wire to the fog light switch & back to the feed side of the #8 fuse for fog lights.

I know this is not necessary as it is only powering a relay, but if the car is going to have fog lights and has a dedicated fuse locations, might as well use it. This will allow switched independent control of fog lights with parking lights, not just low beam. I do want to make sure it goes off with the key. Still need to test it all out, particularly the flash to pass (no idea if this car has this) and that the fogs go off when key is shut off. **Note this is my first Porsche, and I don'd know anyone who has one, so it's all an adventure.

I was surprised to see that Porsche crimped/soldered little brass caps on the end of the wires in the fuse panel, an easy way to replicate this is to heat and solder the tip of wire. I have a few other schematics to draw up, for the secondary fresh air vents and accessory power strip.

Hope that attached schematic will be helpful.

[Uwon]

Thanks for posting as I'm just completing the wiring on my project build.
Question, shouldn't the live feed from the battery to #30 be fused for all three relays?
Johan