This Switch will supply then remove ground to a circuit. 1970-american-motors-ambassador-esi2228326 50 Male - Each

50 Male - Each

Valley Cover - Aluminum - Natural - 383 / 400 - Mopar B-Series - Kit

950 in OD - 2

Bolt - 3/8-16 in Thread - 1 in Long - 3/8 in Hex Head - Stainless - Polished - Universal - Set of 5

750 in Long - 3/8 in Diameter - 0

This Switch will supply then remove ground to a circuit. 1970-american-motors-ambassador-esi2228326 50 Male - EachThese RPM Activated Switches will perform a variety of different functions from turning on a bulb or solenoid to activating an MSD Timing Control at a desired rpm. The RPM Activated Switch, PN 8950, has two activation wires; one to ground a circuit and the other to open a circuit. Simply plug in an rpm module and wire the Switch to the circuit you want to activate. When the engine rpm reaches that amount, the circuit is activated and will remain on