MSD Tach Signal GMR Pickup 1965-cadillac-deville-esi2696012 AN Hose Assembly - 40

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364 in - Duration 249 / 249 - 111 LSA - 1800 / 5400 RPM - Ford Flathead - Each

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MSD Tach Signal GMR Pickup 1965-cadillac-deville-esi2696012 AN Hose Assembly - 40One example is to connect the GMR, which stands for Giant Magneto Resistive, to a diesel injector current wire. This will produce a signal that can be used to trigger a tachometer or shift light! Another example is on late model engine equipped with a coil on plug ignition system. One of the coil's primary current wires is simply routed into the pickup clip and GMR converts this pulsing into a 12 volt signal for a shift light!