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Pertronix Ignition Power Relay
Most pre-1974 vehicles are equipped with OE resistance wires which limit
the current for breaker point operation. Pertronix's Ignitor II and III ignition
systems require a full +12V power connection between the ignition switch
and the positive coil terminal. This requires bypassing the ballast resistor
or resistance wire. In many cases, the original resistance wire is buried in
the vehicle's wiring harness. Adding a Pertronix power relay will eliminate
the need to dig through the wiring harness and replace wires. Plus, the
power relay guarantees maximum system voltage for more power.