The most critical element in my ITB EFI project is the standalone wire harness. In this video we fit the new wire harness from Technica Racewire to my classic Porsche 911 and tie it into the cars existing factory wire harness. I found the best spot to mount the Emtron ecu and new fuse/relay panel.
Here’s a link to Technica Racewire – https://technicaracewire.com/
Here’s the pin extractor tool set that I used in the video – https://amzn.to/3yR29YQ
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00:00 Install Standalone Engine Wire Harness
01:36 Remove wire harness from engine test stand
02:10 Switched power wire
03:17 Where to mount ECU in the car
04:34 Removing old motronic engine harness
05:42 Custom wire conduit for tunnel area
06:52 Reinstalling pins into factory connector
09:43 Installing fuse panel into engine bay
10:39 ECU mounted in rear footwell
11:21 wire harness clamp to car
12:06 Under car wire harness routing
16:04 Trunk area wiring
17:41 Check engine light on guage
18:16 Wire routing in tunnel
19:36 Extending fuel pump wire with open barrel crimp
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This part is always interesting, working out how to wire everything neatly, routing cables etc. I ended up making one panel to mount the ECU, relays and fuses to keep everything tidy. It's not a trivial job, that's for sure… Good luck sorting this one out, looks like you're on the right track. Do you prefer crimping vs solder for the butt connections?
Right now I'm doing almost exactly the same with my 930 turbo, except I'm using Haltech 2500 instead of Emtron, I'm also doing a drive by wire conversion, that really cleaned the engine bay a lot. Thanks for all your videos and appreciate that you give up your time for such a great content.
At 20:23, you talked about fiberglass wire sleeve. Can you go into more detail what that is? A type of heat shrink?
We know how grass and leaves get inside the car. (Nudge, wink)
LOOKING GOOD HOW ABOUT A REMOVABLE 3D PLASTIC OR ALUMINIUM COVER FOR THE ECU?
Could the motronic control the functions of the new upgrades?
you think at some point technology will eliminate most wiring for OEM's and retro changes?
Big fan of the 911/914