Msd Rpm Activated Switch Wiring Diagram. From pro mag generator. Youre not using the msd 8950 rpm activated switch but the custom ecu output does the same thing.
Msd pro mag 12lt wiring diagram. Figure 1 operation of the rpm activated switch. Solid core spark plug wires cannot be used with an msd ignition control.
Today msd is developing electronics for your entire powertrain.
A crank pages show wiring. Simply plug in an rpm module and wire the switch to the circuit you want to activate. The rpm switch has two activation wires. Shifnoid wiring diagram rpm module to tach terminalwhite on ignition box black to ground to 12v to transbrake switch or transbrake solenoid terminal on delay box blue red yellowfor factory ignitions this wire connects to coil negative.