When installing any Electronic Ignition...
Be sure that you have good ground to the ignition and the battery, as well as an adequately charged battery. A poor ground or undercharged battery is a common cause of ignition problems.
Solid core (copper/stainless) plug wires tend to produce a high amount of RFI (Radio Frequency Interference), which can disrupt the operation of some electronic ignitions. For those types of ignitions, it is best to use a suppression (graphite) core type plug wire.