MSD 6421 6AL-2 Ignition Control Installation - Manual (Page 23)

INSTALLATION INSTRUCTIONS 23
M S D
• W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 5 - 7 1 2 3 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
GREEN (-) VIOLET (+)
ECT
SENSOR
WHITE
ORANGE TO AC INPUT
YELLOW
NOT USED
MAG PICKUP
NOT USED
Orange (+) and Black (-)
are the only wires that
connect to the coil.
GRAY
*Do NOT connect the small Red wire to the coil (+)
terminal when using an MSD Ignition or other CD
ignition control.
PINK - FAN 2 PROVIDES GROUND
TAN - FAN 1 PROVIDES GROUND
RED - IGNITION SWITCHED 12V *
FUEL
PUMP BLACK - GROUND
HEAVY RED - BATTERY
O2
SENSOR
BLACK
GROUND
HEAVY ORANGE
RED - IGNITION SWITCHED 12V
INDICATES CONNECTION
TO 12V
IGNITION
KEY
TO NITROUS 12V
ACTIVATION WIRE
INDICATES CONNECTION
(NOT USED)
+
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
+
ORANGE (TO COIL +)
BLACK (TO COIL -)
RED
GREEN (-) VIOLET (+)
WHITE
BLUE
GRAY TACH OUTPUT
WHITE/BLUE HALL-EFFECT
(NOT USED)
2-STEP/LAUNCH
(12V TO ACTIVATE)
WIRING ATOMIC WITH PN 6421