MSD Digital RPM Activated Switch - Window Switch w/ Tach 200400104 Not intended for use with

Not intended for use with the following AutoMeter gauge types: Digital Stepper Motor

2020-2021 Ford F-250 Super Duty XLT Standard Cab Pickup

Gasket Copper Seal Exhaust Gasket Set 7165 Port Dimensions W-1

1966-1985 Mercury Capri

MSD Digital RPM Activated Switch - Window Switch w/ Tach 200400104 Not intended for use withThis Switch will accept an input rpm signal from a coil negative terminal (for stock ignitions), a tach output from an ignition control, an ECU tach output or even a 5 volt tach signal. Another great feature is that no rpm modules are needed! The rpm activation points are programmed by simply scrolling through the LED display to your desired rpm amounts. The switch has two outputs; one Normally Open, the other is Normally Closed. It can be programmed