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Showing results for tags '13.46k'.
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I have a set of Denso COP coils in hand. They came out of a 2007 Honda CBR 1000. This unit would replace the larger coils used on the bike now. 129700-4840 10484 printed on coil end - 08H31 stamped in same area The Ignitech TCI module maker said it would handle the coils lower primary resistance. Going to give these a try on the bike as I am not really happy with where I had to install rear pair of coils. A little other discussion on this at link below. Started a new thread to maybe get some fresh inputs. http://www.venturerider.org/forum/showthread.php?t=58797 All 4 coils primary's measure 1.4 ohms All four coils secondary's measure 13.46K ohms. How do I tell which of the 2 input terminals is the common 12V+ terminal. I can see no markings which indicate internal wiring. My meter is not sensitive enough to differentiate between 13.46K ohms only and 13.46k ohms plus the 1.4 ohms coils in series. Could I just test wire up a circuit. Put plug in & grounded. Put 12v + to one side of coil & 12v - to other side of coil (this attached to plug ground). Open negative side at coil. This seems like it should fire plug. If it does polarity guessed at correct. If not flip polarity at coil pins. It should fire if it didn't before. Schematic shows two wiring choices. Anyone see any fault with this. Picture of COP coil on head is just a random one I came across for an idea what they look like installed. Gary