Msd Tach Wiring Diagram

If your gm vehicle has an in line filter it may cause the tach to drop to zero on acceleration. Fit new wire from the female female connector and run the wire directly from the spool through an open point on the firewall. Strip the end of the trigger wire for the tachometer and place a female to female connector to it.

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Splice the white wire from the pn 8910 into the msd s white trigger wire.

Msd tach wiring diagram. What does a tach adapter do msd tach wiring msd wiring diagram msd instructions msd tach adapter wiring msd for sale. Never connect any wires to the coil terminals when an msd 6 7 8 or 10 series ignition is installed. Tach converter wiring diagram 1 mounting it is important to mount the converter away from any direct engine heat sources. For more information on tachometers and msd tach adapters see the tachometer section on page 6.

Spark plugs and wires. It is a current triggered tachometer. Violet connect to the trigger input wire of the tachometer. Wiring with a magnetic pickup distributor and a voltage triggered tach.

Wiring red to a switched 12 volt source. Run enough wire to reach the msd ignition control box mounted on the firewall in the engine compartment. The msd unit and the coil. Figure 1 wiring the tach adapter.

Msd www msdperformance com 915 857 5200 fax 915 857 3344. Make sure the wires reach the kill switch and a 12 volt source. The wiring diagrams show both installations green and violet wires to trigger the msd you need the pn adapter. If this occurs bypass the filter.

Pn if your tachometer doesn t work correctly after installing install this tach adapter. If separate splice in tach wire. Some vehicles with factory tachometers may require a tach adapter to operate with the msd. Splice the red wire from the pn 8910 into the msd s red switched 12 volts wire.

Black connect to the negative battery terminal.