Tachometer
Fig. 15 Charging System & Tachometer Wiring Circuit.W /4 Cylinder Diesel Engine:
Fig. 28 Engine Starting, Fuel Control & Glow Plug Control Wiring Circuit (Part 1 of 2). Comanche w/4 Cylinder:
Fig. 28 Engine Starting, Fuel Control & Glow Plug Control Wiring Circuit (Part 2 of 2). Comanche w/4 Cylinder: