Sw Tachometer Wiring Diagram. Schematic wiring diagram of ignition switch to faze tach with connector and gm hei. Speedometer wiring diagram another blog about wiring diagram auto meter boost gauge wiring diagram auto gauge tach iztoss speedometer wiringthe wiring diagram to the right shows how the contacts and lamps are wired internally.
A switched 12 or 24 volt wire can be found coming from the ignition switch. Disconnect negative battery cable. The wiring diagram shown is a typical installation.
Qsi gauge wiring diagrams tachometer wiring diagram tachometer dial on back side of case must be set to position number 4.
On the end of the white insulated wire which will be used for the tach signal install a female spade terminal. Connect the 12 volt wire from the sw 4. Connect the wire from the ignition coil as shown in diagram d to the 2 terminal on t 6. Tachometer wiring excerpt of 123gt diagram 1800 tach wiring is substantially the same.