Gm ignitions wiring a dual connector coil, 14 installation instructions m s d – MSD 6520 Digital 6-Plus Ignition Control Installation User Manual
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14
INSTALLATION INSTRUCTIONS
M S D
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GM IGNITIONS Wiring a Dual Connector Coil.
ORANGE
BOTH
PINKS
BOTH
PINKS
BOTH
WHITES
BOTH WHITES
WHITE
RED
INDICATES CONNECTION
RED
RED
BLACK
MAGNETIC PICKUP
(NOT USED)
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
IGNITION
TM
DIGITAL-6
PN 6520
PROGRAMMABLE
2 STAGE REV-LIMITER
STEP RETARD
CAPACITIVE DISCHARGE
IGNITION
Plus
+
NOTE: Cut and splice the two pink wires (coil
positive) together and connect to orange
wire of MSD. Cut and splice the two white
wires (coil negative) together and
connect to the white of MSD. If the vehicle
is not equipped with a factory tach, there
will only be one white wire.
BLACK
RED
WHITE
ORANGE
COIL
WIRE
A
(PINK)
WIRE
A
(PINK)
WIRES
B AND C
WIRES
B AND C
FACTORY HARNESS
(CUT FROM COIL)
MAGNETIC PICKUP
(NOT USED)
HEAVY RED
HEAVY BLACK
TO BATTERY
TO BATTERY
IGNITION
TM
DIGITAL-6
PN 6520
PROGRAMMABLE
2 STAGE REV-LIMITER
STEP RETARD
CAPACITIVE DISCHARGE
IGNITION
Plus
+
NOTE: MSD offers a direct plug in harness that
makes this a splice free installation.
Harness PN 8877 - 1996-on GM Vehicles.
GM IGNITIONS Wiring the 1996 and up single connector coil without harness.
NOTE: The coil connector is labeled A-B-C. The wire in the
A port is positive (pink). The wires in B and C are coil
negative wires, color will vary by application.
NOTE: MSD offers a direct plug in harness that
makes this a splice free installation.
Harness PN 8876 - GM Dual Connector Coils.