Technical information

AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN, EL PASO, TEXAS 79936 • [phone] • FAX [phone]
www.msdignition.com email: [e-mail]
97
DIGITAL RETARD, PN 8975
T
A
C
H
C+
C-
IGN
PTS
M+
M-
SWITCHED 12 VOLTS
FROM IGNITION KEY
WHITE
RED
RED
BLACK
NOT USED
ORANGE PRO POWER
COIL
+
WHITE
NOT USED
BLACK
TO GROUND
YELLOW
IGNITION
TM
DIGITAL
MULTI-RETARD
HEAVY RED
HEAVY BLACK
OR
GREEN
VIOLET
DISTRIBUTOR
WITH
MAGNETIC PICKUP
MSD CRANK
TRIGGER WHEEL
DISTRIBUTOR
TO BATTERY
TO BATTERY
+
DARK BLUE
4th STAGE
NOT USED
(GROUND)
BROWN 1st STAGE
2nd STAGE
ORANGE
12V
ACTIVATION
12V
ACTIVATION
STAGE 1
NITROUS
SOLENOID
STAGE 2
NITROUS
SOLENOID
GRAY
3rd STAGE
NC MICRO SWITCH
ON SHIFTER FOR
HIGH GEAR
START
RETARD
START
RETARD
STEP RETARD
0-4 CYL
1-6 CYL
2-8 CYL
3-6 ODD
0-4 CYL
1-6 CYL
2-8 CYL
3-6 ODD
0-ZERO
1-5 DEG
2-10 DEG
0-ZERO
1-5 DEG
2-10 DEG
3-15 DEG
4-20 DEG
5-25 DEG
3-15 DEG
4-20 DEG
5-25 DEG
1
2
3
4
MAG COMP
6-FORD
8-GM
0-CRANK
MAG COMP
6-FORD
8-GM
0-CRANK
0
1
2
3
4
6
7
8
9
5
0
1
2
3
4
6
7
8
9
5
0
0
0
0
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
6
6
6
6
7
7
7
7
8
8
8
8
9
9
9
9
5
5
5
5
0
1
2
3
4
6
7
8
9
5
CYLINDER
SELECT DIAL
BROWN
WIRE
ORANGE
WIRE
START RETARD
WHEN THE ENGINE IS
CRANKING, THE TIMING
WILL RETARD THE SET
AMOUNT. AT 800 RPM
THE RETARD IS
DEACTIVATED
START RETARD
WHEN THE ENGINE IS
CRANKING, THE TIMING
WILL RETARD THE SET
AMOUNT. AT 800 RPM
THE RETARD IS
DEACTIVATED
GRAY
WIRE
DARK BLUE
WIRE
MAGNETIC PICKUP COMPENSATION
.
MAGNETIC PICKUPS HAVE DIFFERENT
THRESHOLDS. THIS ADJUSTMENT WILL
PROVIDE THE BEST COMPENSATION
FOR YOUR APPLICATION
MAGNETIC PICKUP COMPENSATION
.
MAGNETIC PICKUPS HAVE DIFFERENT
THRESHOLDS. THIS ADJUSTMENT WILL
PROVIDE THE BEST COMPENSATION
FOR YOUR APPLICATION
MULTI-RETARD TO MAGNETIC PICKUP