MSD 6430 6ALN Ignition Control Installation - Manual (Page 6)

 INSTALLATION INSTRUCTIONS
M S D I G N I T I O N
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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.
• If running a 6AL, 6BTM or 6ALN on a 4 or 6-cylinder engine the cylinder select must be modified.
• 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 to the chassis.
TheFT DeTerreNT
The MSD provides the opportunity to easily install a theft deterrent kill switch (Figure 4).
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 vehicle 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 vehicle will crank but will not start.
Figure 4 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, use the MSD
2-Pin connector, available as PN 8824,
for a direct plug-in installation.
Figure 3 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
WARNING: The MSD 6 Series Ignitions are capacitive discharge ignitions. High voltage is present
at the coil primary terminals. Do not touch the coil or connect test equipment to the
terminals.