Msd Tach Wiring Diagram
Make sure the wires reach the kill switch and a 12 volt source.
Msd tach wiring diagram. The wiring diagrams show both installations green and violet wires to trigger the msd you need the pn adapter. Run enough wire to reach the msd ignition control box mounted on the firewall in the engine compartment. Spark plugs and wires. What does a tach adapter do msd tach wiring msd wiring diagram msd instructions msd tach adapter wiring msd for sale.
Some vehicles with factory tachometers may require a tach adapter to operate with the msd. It is a current triggered tachometer. Never connect any wires to the coil terminals when an msd 6 7 8 or 10 series ignition is installed. Wiring red to a switched 12 volt source.
Wiring with a magnetic pickup distributor and a voltage triggered tach. If this occurs bypass the filter. Splice the white wire from the pn 8910 into the msd s white trigger wire. For more information on tachometers and msd tach adapters see the tachometer section on page 6.
If your gm vehicle has an in line filter it may cause the tach to drop to zero on acceleration. Violet connect to the trigger input wire of the tachometer. Strip the end of the trigger wire for the tachometer and place a female to female connector to it. Pn if your tachometer doesn t work correctly after installing install this tach adapter.
Msd www msdperformance com 915 857 5200 fax 915 857 3344. Figure 1 wiring the tach adapter. The msd unit and the coil. Black connect to the negative battery terminal.
Tach converter wiring diagram 1 mounting it is important to mount the converter away from any direct engine heat sources.