Putting  Pertronox II in my 56 TBird.  I got two wires coming out of the factory harness, a brown one and a red one.  I know one I will not use.  Is it the brown one or the red one  ?  Not using  the resistor.

Thanks


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ