Dual Fire Electronic Ignition For Harley Big Twin 1970/99 EVO And XL 1971/95

Dual Fire Ignition

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TECH NOTE!!!

For street applications. use 1970 & later coils with 5 ohms of primary resistance. If installing in a race application, you may use 3 ohm coils. Dual plug heads for race or street can use two 1.5 ohm coils wired in series for a total of 3 ohms resistance. 

Blue wire is 12V power

White wire is cylinder trigger