MSD Tach/Fuel Adapter - 8920Magnetic Trigger Installations or Current Triggered Tachometers Part Number: 8920 If you are using the magnetic pickup input (green and violet wires) to trigger your MSD Ignition, you will need the PN 8920 Tach Adapter. The PN 8920 will correct the operation of most voltage triggered tachometers that do not work directly off the tach output terminal of the MSD control. This Adapter should also be used on current triggered tachs (hooked in series with
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Magnetic Trigger Installations or Current Triggered Tachometers
Part Number: 8920
If you are using the magnetic pickup input (green and violet wires) to trigger your MSD Ignition, you will need the PN 8920 Tach Adapter. The PN 8920 will correct the operation of most voltage-triggered tachometers that do not work directly off the tach output terminal of the MSD control. This Adapter should also be used on current-triggered tachs (hooked in series with the ignition switch).