MSD 6A 6201 - GM Ignitions: HEI 4-pin Module Wiring; GM Ignitions: HEI 5;7-pin Module Wiring

14 INSTALLATION INSTRUCTIONS
MSD • WWW.MSDPERFORMANCE.COM • (915) 857-5200 • FAX (915) 857-3344
GM IGNITIONS Wiring an HEI 5 or 7-pin Module (Amplier Trigger).
MAGNETIC PICKUP
(NOT USED)
GREEN (-)
VIOLET (+)
*WHITE - CONNECTS TO BROWN AND TACH
*RED - CONNECTS TO 12 VOLTS AND PINK
BLACK
BROWN
DISTRIBUTOR
CONNECTOR
PINK
TO TACH
RED*
RED JUMPER
WHITE*
WHITE JUMPER
HEAVY PINK
OR RED FROM
VEHICLE WIRE
HARNESS
FACTORY
HARNESS
GRAY
TACH OUTPUT
DIGITAL
REV
LIMITER
*ORANGE - CONNECTS TO B+
*BLACK - CONNECTS TO C-
T
O ENGINE
GROUND
ORANGE
ORANGE*
*
BLACK*
BLACK*
B+
GND
C-
NOTE: Some 5-pin models may
experience a hesitation or
stall on deceleration. If this
occurs, contact MSD Tech Line
for the required bolt-in diode to
correct the problem. MSD Tech
Line (915) 855-7123.
GM IGNITIONS Wiring an HEI 4-pin Module (Magnetic Pickup Trigger).
PN 8860
HARNESS
WHITE
JUMPER
KEY
CONNECTOR
HEAV Y RED
OR PINK WIRE
FROM CAR
WIRING HARNESS
*ORANGE - CONNECTS TO B+
*BLACK - CONNECTS TO C-
CONDENSER
GM-CABLE
HARNESS
GM MODULE
GROMMET
WIRE CLAMPS
REMOVE MODULEINSTALL HARNESS
MAGNETIC
PICKUP
CONNECTOR
TO ENGINE
GROUND
ORANGE
ORANGE*
*
BLACK*
BLACK*
PN 8861
HARNESS
B+
GND
C-
GREEN (-)
VIOLET (+)
WHITE
(NOT USED)
COVER WITH TAPE
GRAY
TACH OUTPUT
RED
WHITE
DIGITAL 6AL
REV
LIMITER
NOTE: The GM Ignition Module and
condenser are removed and
replaced with the supplied
PN 8861 Harness.