MSD 6421 User Manual

INSTALLATION INSTRUCTIONS 21
MSD • WWW.MSDPERFORMANCE.COM • (915) 855-7123 • FAX (915) 857-3344
AFTERMARKET COMPONENTS Wiring a Mallory Unilite or 9000 Series using Points Trigger.
RED
RED
IGNITION KEY
TO 12V
TO GROUND
WHITE
GREEN
BROWN
MALLORY
9000 SERIES
DISTRIBUTOR
W/MALLORY
UNILITE MODULE
INDICATES CONNECTION
•
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
Wiring a Toyota with a Tach Adapt PN 8910HEI.
GENERAL IMPORT WIRING
BLACK
WHITE
ORANGE
ORIGINAL COIL +
WIRE
ORIGINAL COIL -
TERMINAL
AMPLIFIER
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
INDICATES CONNECTION
•
NOTE: Remove the coil terminal wires.
The negative wire connects to MSD
White. The positive wire connects to
MSD Red. The MSD Orange connects to
the coil positive terminal, Black connects
to the coil negative terminal.

MSD 6421 Specifications

General

Brand	MSD
Model	6421
Category	Control Unit
Language	English