MSD 6421 User Manual

20 INSTALLATION INSTRUCTIONS
MSD • WWW.MSDPERFORMANCE.COM • (915) 855-7123 • FAX (915) 857-3344
HONDA IGNITIONS Wiring a Honda with a Blaster Coil and Power Cap.
IGNITION 12 VOLTS
BLACK/YELLOW WIRE
ORIGINAL COIL
TRIGGER WIRE
WHITE/BLUE WIRE
ORIGINAL COIL
DISTRIBUTOR
ASSEMBLY
WITHOUT COIL
COIL
REMOVED
BLASTER SS COIL
PN 8207
+
ORANGE
BLACK
+
ORANGE
BLACK
RED
WHITE
BLUE
WHITE/BLUE
HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
MAGNETIC PICKUP
(NOT USED)
GREEN (-)
VIOLET (+)
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
GRAY
TACH OUTPUT
MSD offers a Power Cap to convert your
internal coil Honda to external coil for most
popular models.
GREEN OR BLUE
GREEN OR BLUE
(ORIGINAL COIL )
YELLOW AND BLACK/YELLOW
(ORIGINAL COIL )
BLACK/YELLOW
YELLOW AND
RED
WHITE
ORANGE
BLACK
ORIGINAL COIL
HARNESS
+
MAGNETIC PICKUP
(NOT USED)
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
RED
GREEN (-)
VIOLET (+)
WHITE
BLACK
ORANGE
BLUE
WHITE/BLUE
HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
GRAY
TACH OUTPUT
HONDA IGNITIONS Wiring a Factory External Coil Honda/Acura.

MSD 6421 Specifications

General

Brand	MSD
Model	6421
Category	Control Unit
Language	English