MSD 8918 Tach Signal GMR Pickup Installation - Manual (Page 3)

INSTALLATION INSTRUCTIONS 3
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 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
BLACK GROUND
RED RED
GREEN
SWITCHED
12 VOLT
SIGNAL
OUTPUT
GREEN
GMR PICKUP
NOTE: The brass screw must be used for proper operation.
PRIMARY COIL (+) WIRE OR
DIESEL INJECTOR 12 VOLT WIRE
BOTH WASHERS MUST BE ON TOP OF METAL TAB METAL TAB
GMR PICKUP
GMR PICKUP
C
O
IL
(
-)
2
C
O
IL
(
-)
1
C
O
IL
(
+)
IGNITION 12 VOLTS
TRIGGER COIL 1
TRIGGER COIL 2
COIL HARNESS
POWERTRAIN CONTROL MODULE
TO RPM ACTIVATED
DEVICE
Figure 3 Installation on a Distributorless Coil Pack.
BLACK GROUND
RED RED
GREEN
SWITCHED
12 VOLT
SIGNAL
OUTPUT
GREEN
GMR PICKUP
NOTE: The brass screw must be used for proper operation.
PRIMARY COIL (+) WIRE OR
DIESEL INJECTOR 12 VOLT WIRE
BOTH WASHERS MUST BE ON TOP OF METAL TAB METAL TAB
GMR PICKUP
INJECTOR
POWER WIRE
TO RPM ACTIVATED
DEVICE
Figure 4 Installation to a Diesel Injector.
Note: The device that the green
signal output wire is attached
must be programmed for sin-
gle (1) cylinder operation.
Note: The device that the
green signal output wire
is attached must be pro-
grammed for four (4) cyl-
inder operation.