MSD 6560 6M-2L Marine Certified Ignition with Rev Limit Installation - Manual (Page 5)

INSTALLATION INSTRUCTIONS 5
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PRESTART CHECK LIST
• The only wires connected to the coil terminals are the MSD Orange to coil positive and Black to
coil negative.
• The small Red wire of the MSD is connected to a switched 12 volt source.
• The MSD power leads are connected directly to the battery positive and negative terminals.
• The battery is connected and fully charged if not using an alternator.
• The engine is equipped with at least one ground strap.
THEFT DETERRENT
The MSD provides the opportunity to easily install a theft deterrent kill switch (Figure 3).
White Wire Trigger
When using the WHITE wire to trigger the MSD, install a switch across the magnetic pickup VIOLET
wire to ground. When the VIOLET wire is grounded, the engine will crank but not start.
Magnetic Pickup Trigger
When using the mag pickup to trigger the MSD, install a switch to the WHITE wire and the other side
to ground. When the WHITE wire is grounded, the engine will crank but will not start.
Figure 3 Connecting a Theft Deterrent Switch Through the MSD Ignition.
The chart shows the polarity of other
common magnetic pickups. If using a
different magnetic pickup. MSD offers a
2-pin Weathertight Connector as PN 8173.
Figure 2 Common Mag Pickup Wires.
Common Mag Pickup Wires
Distributor Colors
Mag+ Mag-
MSD Org/Blk Vio/Blk
MSD Crank Trigger Violet Green
Ford Orange Violet
Accel 46/48000 Series Org/Blk Vio/Blk
Accel 51/61000 Series Red Black
Chrysler Org/Wht Black
Mallory Org/Blk Vio/Blk
MAGNETIC
PICKUP
WHEN USING THE MAGNETIC PICKUP TO TRIGGER
WARNING: The MSD 6M-2 Ignition is a capacitive discharge ignition. High voltage is present at
the coil primary terminals. Do not touch the coil or connect test equipment to the
terminals.