Tach Wiring Diagram. This will reveal four individual wires. A secure ground connection will help the tachometer to run correctly.
Wiring diagram contains several detailed illustrations that present the relationship of varied things. 1978 1972 corvette tach circuit 78 82 corrected diagram 09 corvette tachometer willcox. Block diagram of the tachometer.
Autometer has designed their tach to how to install a tachometer.
As on the schematic the positive wire from the tachometer is connected to the ignition switch. It contains instructions and diagrams for different types of wiring strategies as well as other things like lights windows and so forth. Autometer has designed their tach to how to install a tachometer. A secure ground connection will help the tachometer to run correctly.