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
note:
The MSD 7AL-3 will retard the ignition timing approximately 4° compared to other MSD Ignitions.
After installation, the timing should always be checked and adjusted at idle and total timing.
The following diagrams show the installation to a Mallory and an Accel bEI distributor.
Figure 3 Primary Wiring to an Accel BEI Distributor.
Figure 4 Primary Wiring to a Mallory Unilite Distributor.
NOTE: ALL 3-WIRE MALLORY DISTRIBUTORS CONNECT THIS WAY.
GM HeI DIStRIButoR
The 7AL-3 can be wired to the GM HEI Distributor. You must identify which module your distributor has
to determine which wiring diagram to use. Count the number of pins or terminals on the module.
