Sender, mechanically driven, single output, fits most tachometer drive on diesel engines.
A single output (two wire) mechanical sender. It attaches to a tachometer drive fitting on many diesel engines and produces 8 pulses per revolution.
For use with models 8402 & 8905 Digital Tachometers. Single output senders (single pair of wires) produce enough power to run up to 5 tachometers.