Home Smiths tachometer wired for a Negative Ground Smiths tachometer wired for a Negative Ground

Smiths tachometer wired for a Negative Ground

Smiths tachometer wired for Negative Ground. Wires switched for the diode and ground.

Smiths tachometer wired for Negative Ground. Wires switched for the diode and ground.

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Work notes from previous service on a Smiths Tachometer
Smiths Tachometer