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scarceller scarceller is online now
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Join Date: Oct 2006
Location: Southern MA
Posts: 4,034
Garage
At the DME you already tried pin 21 that feeds the tach.
But have you also tried pin 1? this is the coil signal that grounds the coil. It's worth trying this pin 1. Some systems may like the pin 1 ground signal better.
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1984 911 Carrera Cab M491 (Factory Wide Body)
1975 911S Targa (SOLD)
1964 356SC (SOLD)
1987 Ford Mustang LX 5.0 Convertible
Old 06-30-2015, 08:54 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)