MSD 6421 User Manual

INSTALLATION INSTRUCTIONS 17
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FORD IGNITIONS Wiring a Ford DuraSpark using Magnetic Pickup Trigger.
MAGNETIC PICKUP
CONNECTOR
PN 8860
HARNESS
RED
NOT
USED
FORD
DISTRIBUTOR
VIOLET
ORANGE
VIOLET
BLACK
(NOT USED)
DISTRIBUTOR
CONNECTOR-
DISCONNECT FROM
ORIGINAL HARNESS
NOTE: MSD OFFERS A HARNESS, PN 8869
TO CONNECT THE MAGNETIC PICKUP
CONNECTOR TO THE FORD DURASPARK CONNECTOR.
GREEN
INDICATES CONNECTION
+
+
C+
TACH
+
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
ORANGE (TO COIL +)
BLACK (TO COIL -)
RED
GREEN (-)
VIOLET (+)
WHITE
BLUE
WHITE/BLUE
HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
(NOT USED)
COVER WITH TAPE
GRAY
TACH OUTPUT
FORD IGNITIONS Wiring a Ford TFI (without Harness).
FORD
TFI COIL
WHITE JUMPER
WHITE
BLACK
ORANGE
RED
RED JUMPER
SEAL END
SEAL END
RED & LIGHT GREEN
DARK GREEN & YELLOW
MAGNETIC PICKUP
(NOT USED)
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
ORANGE (TO COIL +)
BLACK (TO COIL -)
RED
GREEN (-)
VIOLET (+)
WHITE
BLUE
WHITE/BLUE
HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
GRAY
TACH OUTPUT

MSD 6421 Specifications

General

Brand	MSD
Model	6421
Category	Control Unit
Language	English