INSTALLATION INSTRUCTIONS
M S D I G N I T I O N
• w w w . m s d i g n i t i o n . c o m • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4
Figure 4 Wiring to a GM HEI Distributor, using the Module.
Figure 5 Wiring to a GM HEI Distributor using the Magnetic Pickup.
Note: The GM Unitized Coil, HEI Distributor was produced
with several different modules. If this installation
seems to cause a rough limit, try the wiring shown
in Figure 5 below.