6421 Datasheet, PDF (12/28 Pages) Mallory performance club – The MSD produces full power multiple sparks for each firing of a plug

12
INSTALLATION INSTRUCTIONS
  MSD SYSTEMS  With an MSD Timing Control (points or amplifier).
TM
CONTROL
IGNITION KNOB
MOST TIMING
CONTROLS
MAGNETIC
PICKUP
(NOT USED)
TIMING
CONTROL
UNIT
WHITE
2-STEP/LAUNCH BLUE
(12V TO ACTIVATE)
HALL-EFFECT ^WHITE/BLUE
(NOT USED)
MAGNETIC PICKUP
(NOT USED)
GREEN (-)
VIOLET (+)
BLACK
HEAVY RED
TO BATTERY
TO GROUND
HEAVY BLACK
TO BATTERY
GRAY _{TACH OUTPUT}
RED
WHITE
+
ORANGE (TO COIL +)
BLACK (TO COIL -)
• ^{INDICATES CONNECTION}
FROM
IGNITION KEY
(ORIGINAL COIL + WIRE)
FROM POINTS
OR ELECTRONIC
IGNITION AMPLIFIER
(ORIGINAL COIL -
WIRE)
RED
TO 12V
IGNITION
KEY
  MSD SYSTEMS  Typical Drag Race Setup with Timing Control and Two Step Selector.
DISTRIBUTOR
WITH
MAGNETIC PICKUP
DISTRIBUTOR
MSD CRANK
TRIGGER WHEEL
12V
SWITCH
LINELOCK OR
TRANS BRAKE
SOLENOID
2-STEP REV
LIMITER CIRCUIT
2-STEP/LAUNCH
(12V TO ACTIVATE)
BLUE
HALL-EFFECT ^WHITE/BLUE
(NOT USED)
TIMING
CONTROL
UNIT
HEAVY RED
TO BATTERY
HEAVY BLACK
TO BATTERY
GRAY _{TACH OUTPUT}
RED
WHITE
MAGNETIC PICKUP
(NOT USED)
GREEN (-)
VIOLET (+)
ORANGE (TO COIL +)
BLACK (TO COIL -)
• ^{INDICATES CONNECTION}
OR
FROM IGNITION KEY
(ORIGINAL COIL + WIRE)
TRIGGER (IF USED)
WHITE
(NOT USED)
BLACK
TO GROUND
RED
+
TO 12V
IGNITION
KEY
M S D  •  WWW.MSDPERFORMANCE.COM • [phone] • FAX [phone]