77 911 with 81 3.0 swap wiring questions

[blackrado]

I had the swap done and have a few things not working just yet. I have some disconnected wires so some of this might be explained here and I’m looking for help. Pictures below

Tach - I think I have this figured out, but confirmation is helpful. See pics below

Temp gauge - doesn’t seem to work. I grounded the wire from the oil temp sensor and it made the gauge bounce to the top, so it has to be wiring or the sensor, right?


I know the tach topic has been covered and I THINK I understand, confirmation is helpful: black/purple wire remains connected at the junction, but I splice it and run it to the hot side of the coil?



Then I have these wires that are not connected. Any insight on what they are or where they should go?





Thanks all


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[blackrado]

Any help is appreciated. Thanks!


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