MSD Tach Adapter - Points or Amplifier and Magnetic Pickup

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	Tach/Fuel Adapter, Points and Amplifier (Factory Ignition Module) If you are triggering an MSD Blaster, 5,6, or 7 Series Ignition with its white wire or points terminal, you will need this Tach Adpater. This unit will correct the operation of most voltage triggered tachometers or fuel injection systems that do not work directly off the tach output terminal of the MSD Ignition Unit.
	Magnetic Pickup If you are using the magnetic pickup input (green and violet wires) to trigger your MSD Ignition, you will need the #121-8920 Tach Adapter. This 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).