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911 S 14 pin plug tach wire

Electrical

Model: 911S, Year:1977, Mileage:?, Type of use:Street use only
ChrisThanks so much for your research for me. Your last comment: "Answer: My mistake. I misread your model year. There is no wire on pin 12 in 1977. Pin 9-green/white is the oil pressure warning light, pin 10 might be red/white but still has the same function. Also add pin 6-grey on engine side, grey/brown on chassis side (backup light switch). All others are the same. If I missed any, let me know. They are scattered over eight pages, so it's easy to miss one." is very helpful.Another question: do you know which of the wires/pins goes to the tachometer?Thanks againWayne

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