MSD 6421 User Manual

22 INSTALLATION INSTRUCTIONS
MSD • WWW.MSDPERFORMANCE.COM • (915) 855-7123 • FAX (915) 857-3344
AFTERMARKET COMPONENTS Wiring a Mallory 9000 Series using Magnetic Pickup.
FROM
IGNITION KEY
(ORIGINAL COIL + WIRE)
BLK/ORANGE
BLK/GREEN
MALLORY
DISTRIBUTOR
+
VIOLET
+
GREEN
GREEN
VIOLET
IGNITION KEY
TO 12V
+
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
ORANGE (TO COIL +)
BLACK (TO COIL -)
RED
WHITE
BLUE
WHITE/BLUE
HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
(NOT USED)
GRAY
TACH OUTPUT
HARNESS
PN 8860
AFTERMARKET COMPONENTS Wiring to a Pertronix Ignitor Kit.
If you did not find a schematic to match your application, or if you need assistance, please
contact MSD Tech at (915) 855-7123.
RED
RED
IGNITION KEY
TO 12V
WHITE
BLACK
DISTRIBUTOR
WITH
PERTRONIX
MAGNETIC PICKUP
(NOT USED)
+
ORANGE (TO COIL +)
BLACK (TO COIL -)
RED
GREEN (-)
VIOLET (+)
WHITE
BLUE
WHITE/BLUE
HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
GRAY
TACH OUTPUT

MSD 6421 Specifications

General

Brand	MSD
Model	6421
Category	Control Unit
Language	English