-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit... see more-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit board inside amplifier box
internal circuit board to Transistor Ignition Auxiliary Harness connector, with Over The Counter Transistor Ignition... see moreinternal circuit board to Transistor Ignition Auxiliary Harness connector, with Over The Counter Transistor Ignition System