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Join Date: Sep 2010
Posts: 46
1969 912 wiring to engine

Hi Everyone, this is my first posting. I bought a 1969 Porsche 912 in Central Indiana in May and have been going through it for the last several months. The engine was incomplete, cooling tin missing and allegedly had the engine rebuilt before it was put into moth balls 15 years ago...Turns out that "Turkey" had the motor apart last and I had to correct several things. The engine is re assembled and is going back in the car this weekend, my question is about wiring to the distributor and oil senders...I found four wires together and cannot find a wiring diagram to clarify where they belong....Two are green and one is red, the other is black. I thought the green wires would go to the oil senders but which one goes where? Or does it matter? Do the other two go to the coil and if so does black go to negavtive and red to positive?

Thanks for any help

Old 09-10-2010, 05:53 AM
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The red/green goes to the oil pressure.
The black/green goes to the oil temp.
the red to the positive side of the coil.
The black/purple(tach wire) goes to the #1 side of the coil. Also the wire, which could be black or green, goes from the condenser on the distributor to the #1 side of the coil.
All grounds on a German car are brown.

If you do not have these colors then good luck. The PO probably changed them at some time.

Old 09-10-2010, 08:36 AM
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