Msd Tach Wiring Diagram

If separate splice in tach wire.

Msd tach wiring diagram. The msd unit and the coil. Splice the white wire from the pn 8910 into the msd s white trigger wire. Fit new wire from the female female connector and run the wire directly from the spool through an open point on the firewall. The wiring diagrams show both installations green and violet wires to trigger the msd you need the pn adapter.

If your gm vehicle has an in line filter it may cause the tach to drop to zero on acceleration. Tach converter wiring diagram 1 mounting it is important to mount the converter away from any direct engine heat sources. Violet connect to the trigger input wire of the tachometer. Wiring with a magnetic pickup distributor and a voltage triggered tach.

Make sure the wires reach the kill switch and a 12 volt source. Figure 1 wiring the tach adapter. Strip the end of the trigger wire for the tachometer and place a female to female connector to it. Run enough wire to reach the msd ignition control box mounted on the firewall in the engine compartment.

Wiring red to a switched 12 volt source. Some vehicles with factory tachometers may require a tach adapter to operate with the msd. Pn if your tachometer doesn t work correctly after installing install this tach adapter. If this occurs bypass the filter.

Never connect any wires to the coil terminals when an msd 6 7 8 or 10 series ignition is installed. Splice the red wire from the pn 8910 into the msd s red switched 12 volts wire. What does a tach adapter do msd tach wiring msd wiring diagram msd instructions msd tach adapter wiring msd for sale. Black connect to the negative battery terminal.

For more information on tachometers and msd tach adapters see the tachometer section on page 6.