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Can anyone tell me the wiring designation for Pin 1,3,&4 for a '73 VDO tach are? I can't seem to find a wiring diagram anywhere in past posts or on the internet.
Both the red and blue/yellow wires have 2 leads into a common female end for connecting with the tach. Pin3 was a single black.  Thoughts? Thanks! Last edited by richemj; 05-19-2008 at 12:41 PM.. |
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05-17-2008, 05:50 AM
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Figured out the 37yr old wiring Gremlin. Works now. For those interested:
Pin1: Positive Pin3: Tach Signal Pin4: Negative Here's how it looks installed: 
Last edited by richemj; 05-19-2008 at 12:40 PM.. |
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05-17-2008, 04:04 PM
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1971 Porsche 911 RS Lightweight 3.2L
