MSD Pre-wired Switch and Hardware Set are purchased

and Hardware Set are purchased together we will assemble it for you

It is not your ordinary fuse block

MP-JK32337

The device is powered by 5 volts either from a USB converter in a 12 volt outlet supplied

It requires one instrument inverter (below) for all lamps

MSD Pre-wired Switch and Hardware Set are purchasedThis prewired switch makes it very convenient to switch back and forth from conventional Kettering to an MSD ignition. It's useful for troubleshooting the MSD unit and it's wiring and for switching it back to Kettering so your ignition scope trace will look 'normal' for the easiest trouble shooting. It's the same four pole double throw switch we've been selling for this use for years. . . only not the delicate job of soldering the wires on the switch